how does predation cause stability in an ecosystem
Answers
Answer:
Predation makes sure that no species becomes overpopulated.
Explanation:
For example, between a fox and a rabbit. If the fox was not the predator, the rabbit population would be out of control. Rabbits eat grass and stuff so too many rabbits will eat all the grass. There will be a chain effect. Foxes are needed to control the rabbit population and restore stability in an ecosystem
Related Questions
The Intergovernmental Panel on Climate Change has concluded that greenhouse gases released into the atmosphere, due to human activities, have affected Earth's climate. Which of the following statements best explains the connection between rising atmospheric concentrations of greenhouse gases and the effects of climate change on ecosystems?
A.
Higher levels of methane have caused increased global precipitation.
B.
Higher levels of carbon dioxide have caused a reduction in ocean pH.
C.
Higher levels of methane have caused algal blooms in lakes and streams.
D.
Higher levels of carbon dioxide have caused an increase in global photosynthesis.
Answers
Answer:
D.Explanation:
THIS IS MY ANSWER IS PERFECT
Consider a biosystem described by a cylindrical current line source, in which the current propagates along its surface. The biopotential from the line source is generated by this current. The biopotential propagates along the line source with a conduction velocity, vc. If the line source is parallel to the z axis, then the biopotential Vi at a particular point z and time t is expressed as follows: Vi(z,t)=Vi(t−∣z/vc∣) and Vi(z)=α(λz)3e−λz−β where Vi(z) is the profile of the biopotential along the length of the line current in the z direction, α and β are constant values and λ is a scaling factor. The line source current density is assumed to be proportional to the second derivative of the biopotential: im(z,t)=kid2∂z2∂2Vi(z,t) where ki is a constant and d is the line source diameter. For an observation point (x,y,z) and a current line source located at (xo,yo,zo(t)) in a medium with cylindrical anisotropy, the biopotential recorded at the surface of the model can be written as: Φ(x,y,z,t)=kv∫[kd((x−x0)2+(y−y0)2+(z−z∗)2](−21)i(z∗,t)dz∗ Where kv and kd are constants. The coordinates (xo,yo,z0) are the cartesian coordinates of the position of the line source. The biopotential can be presented by a convolution of the line source current and the impulse response of the volume conductor as follows: Φ(x,y,z,t)=im(z,t)∗h(x,y,z) Assume that a focused ultrasound wave compresses the line source by δ(t)(δ(t)<
Answers
The question provides an overview of a biosystem with a cylindrical current line source and describes the relationships between the biopotential, line source current density, and recorded biopotential. The equations and terms provided help in understanding the behavior and properties of the system.
The given question describes a biosystem with a cylindrical current line source, where the current propagates along its surface. This current generates a biopotential, which also propagates along the line source with a conduction velocity, vc. The biopotential at a particular point z and time t is represented as Vi(z,t) = Vi(t - |z/vc|), where Vi(z) represents the profile of the biopotential along the length of the line current in the z direction. The biopotential profile is given by Vi(z) = α(λz)^3 * e^(-λz) - β, where α and β are constant values and λ is a scaling factor.
The line source current density, im(z,t), is assumed to be proportional to the second derivative of the biopotential. It can be written as im(z,t) = ki * d^2 * (∂^2Vi(z,t)/∂z^2), where ki is a constant and d is the line source diameter.
For an observation point (x,y,z) and a current line source located at (xo,yo,zo(t)) in a medium with cylindrical anisotropy, the recorded biopotential at the surface of the model is given by Φ(x,y,z,t) = kv * ∫[kd * ((x-xo)^2 + (y-yo)^2 + (z-z*)^2)]^(-2/1) * im(z*,t) * dz*, where kv and kd are constants. The coordinates (xo,yo,zo) represent the Cartesian coordinates of the line source position.
The biopotential can be represented as a convolution of the line source current and the impulse response of the volume conductor. It is given by Φ(x,y,z,t) = im(z,t) * h(x,y,z), where * denotes the convolution operation.
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please help asap thank you !!!
Answers
Answer:
Contour interval = 200
Explanation:
difference between the digestive system of amoeba and digestive system of ruminants
Answers
The digestive system of amoeba and ruminants are very different from each other. Amoeba is a unicellular organism that has a simple digestive system, while ruminants are multicellular organisms that have a complex digestive system.
The digestive system of amoeba is intracellular, which means that digestion occurs inside the cell. Amoeba engulf food particles through a process called phagocytosis, in which the cell membrane surrounds and engulfs the food particle, forming a food vacuole. The food vacuole then fuses with lysosomes, which contain digestive enzymes that break down the food particle. The nutrients released by digestion are then absorbed into the cytoplasm of the cell.
In contrast, the digestive system of ruminants is extracellular, which means that digestion occurs outside the cell in a specialized digestive tract. Ruminants have a four-chambered stomach, which allows them to digest plant material that is difficult to break down. The first chamber, the rumen, contains bacteria and other microorganisms that break down the cellulose in plant material. The partially digested food then moves to the reticulum, omasum, and finally the abomasum, where digestive enzymes break down the remaining nutrients. The nutrients are then absorbed into the bloodstream and transported to the rest of the body.
Overall, the digestive system of amoeba is simple and intracellular, while the digestive system of ruminants is complex and extracellular. Ruminantshave evolved a specialized digestive system over time to help them digest tough plant material, while amoeba have a simple digestive system that allows them to absorb nutrients directly into their cells.
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The digestive system of amoeba is intracellular, which means that digestion occurs inside the cell. Amoeba engulf food particles through a process called phagocytosis, in which the cell membrane surrounds and engulfs the food particle, forming a food vacuole. The food vacuole then fuses with lysosomes, which contain digestive enzymes that break down the food particle. The nutrients released by digestion are then absorbed into the cytoplasm of the cell.
In contrast, the digestive system of ruminants is extracellular, which means that digestion occurs outside the cell in a specialized digestive tract. Ruminants have a four-chambered stomach, which allows them to digest plant material that is difficult to break down. The first chamber, the rumen, contains bacteria and other microorganisms that break down the cellulose in plant material. The partially digested food then moves to the reticulum, omasum, and finally the abomasum, where digestive enzymes break down the remaining nutrients. The nutrients are then absorbed into the bloodstream and transported to the rest of the body.
Overall, the digestive system of amoeba is simple and intracellular, while the digestive system of ruminants is complex and extracellular. Ruminantshave evolved a specialized digestive system over time to help them digest tough plant material, while amoeba have a simple digestive system that allows them to absorb nutrients directly into their cells.
Two students are talking about what they learned in class. One says, "sex is biological, not socially constructed." Support or oppose the argument that sex is biological and not socially constructed. Use at least two course materials (articles, videos, podcasts, etc) to make your point.
Answers
Sex is a biological trait that refers to the observable physical and genetic characteristics that distinguish males from females. It is frequently assumed that sex is based on biological or genetic characteristics rather than social and cultural aspects.
The physical variations between males and females, such as genitalia and breasts, are some examples of sex differences. Thus, it is a biological characteristic rather than a social one. Both social constructionism and biological determinism, on the other hand, have opposing perspectives on gender. Biological determinism emphasizes that gender differences are inborn, while social constructionism emphasizes that they are socially produced. According to the social constructionism perspective, gender identity and the roles associated with it are the product of socialization and cultural expectations, whereas biological determinism focuses on innate biological differences and the impact of biology on gender.
The claim that sex is a biological trait and not socially constructed can be supported by two course materials. The article "Sex as Biological and Gender as a Social Construct" by Anne Fausto-Sterling argues that sex is a biological characteristic because it is based on genitalia and chromosomes, while gender is socially constructed. This article suggests that sex is primarily concerned with physical characteristics, while gender is linked to social and cultural expectations, which is consistent with the idea that sex is biological and gender is social.
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Is The heart medial to the lungs?
Answers
Answer:
Yes
Explanation:
Lungs aw we know are considered lateral to the heart. And the heart is medial to the lungs.
So the answer is YES
In human genomes, the per nucleotide mutation rate is estimated to be about 2.5 x 10^-8. Let us consider a recessive lethal genetic disease caused by a single point mutation. We will name the allele produced by this point mutation L, and the wild-type allele W. Let us further assume that the disease phenotype expressed by LL individuals always kills those who have it before they reproduce.
What would you predict the equilibrium frequency of the allele L be in the population after many generations?
(You may assume Hardy-Weinberg equilibrium except for mutation and selection, and you may assume as an approximations that back-mutations from L to wild-type are rare enough to be ignored).
Answers
The equilibrium frequency of allele L is predicted to be approximately 1.25 x 10⁻⁸.
Under the assumptions given, the equilibrium frequency of allele L can be predicted using the following equation:
p² + 2pq + q² = 1
where p is the frequency of allele L and q is the frequency of the wild-type allele W.
In this case, LL individuals are assumed to die before reproduction, so the selection coefficient against the LL genotype is 1. This means that the relative fitnesses of the three genotypes are:
LL: 0
LW: 1
WW: 1
Under Hardy-Weinberg equilibrium, the expected frequencies of the three genotypes are:
LL: p²
LW: 2pq
WW: q²
Taking into account selection against the LL genotype, the expected frequency of allele L in the next generation is:
p' = (2pq) ÷ (2pq + q²)
Using the mutation rate of 2.5 x 10⁻⁸ per nucleotide per generation, the mutation rate from W to L is:
u = 2.5 x 10⁻⁸
The mutation rate from L to W can be ignored under the given assumptions.
Assuming that the population is large enough that genetic drift can be ignored, the frequency of allele L will reach equilibrium when the rate of loss of L due to selection is balanced by the rate of gain of L due to mutation. This occurs when:
p' = u ÷ s
where s is the selection coefficient against the LL genotype.
(2pq) ÷ (2pq + q²) = u ÷ s
p ÷ (1 - p) = u ÷ s
p = u ÷ (s + u)
p = (2.5 x 10⁻⁸) ÷ (1 + 1)
p = 1.25 x 10⁻⁸
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chordates have four critical innovations that distinguish them from all other animal life. these are a(n) , slits, a dorsal hollow cord, and a postanal
Answers
Chordates have four critical innovations that distinguish them from all other animal life. These innovations include pharyngeal slits, a dorsal hollow nerve cord, a notochord, and a postanal tail.
- Pharyngeal slits are openings in the pharynx (throat) that are present in all chordates at some point in their development. In some chordates, these slits develop into gills that allow for gas exchange, while in others they are used for filter feeding or other purposes.
- The dorsal hollow nerve cord is a nerve cord that runs along the back (dorsal) side of the body and is filled with cerebrospinal fluid. It is a defining characteristic of chordates and is thought to have evolved from a simple nerve cord found in ancestral invertebrates.
- The notochord is a flexible rod-like structure that runs along the dorsal side of the body in many chordates. It provides support and helps to organize the development of other structures, such as the nervous system.
- Finally, the postanal tail is a tail that extends beyond the anus in some chordates. It is used for locomotion in many aquatic species, and is also present in the embryonic development of all chordates.
Overall, these four critical innovations are what set chordates apart from all other animal life, and are key to understanding the evolution and biology of this diverse group of organisms.
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What are the actions of the three hormones in the male reproductive system? QUICK!!!
Answers
Answer:
Check the attached document. The system rejected the answer because it contained certain words considered obscene, including the pen*s
Explanation:
1) Mitosis is used in the process of growth. Give two other processes that use mitosis. (2 marks)
2) Describe how the chromosomes of a human cell produced by meiosis differ from the chromosomes of a human cell produced by mitosis. (2 marks)
Answers
Answer:
1)I)replacing dead cells
ii)cell division in the liver
2) in meiosis, there are 23 chromosomes
in mitosis, there are 46
Which of the following statements accurately describe the
relationship between genotype and phenotype?
a) phenotype depends on genotype
b) genotype and phenotype are not related
c) genotype depends on phenotype
d) genotype and phenotype influence each other
Answers
The relationship between genotype and phenotype is defined based on phenotype depending on genotype
What is Genotype?Genotype is the genetic makeup of an individual i.e the genes responsible for a traits or character that is expressed in an individual.What is phenotype?Phenotype is the physical expression of a gene. Each gene in an individual that is expressed or can be seen physically is what makes up the phenotype.For a trait to be expressed there is a gene or many genes responsible and the combination of genes make up the genotype.
An individual is a product of both its genetic makeup and the environment. Therefore, phenotype depends on the genotype
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1.
Simple sugar is to starch like:
a. Glucose is to lipid
b. Wax is to DNA
c. Sugar is to protein
d. Amino acid is to protein
Answers
Answer:
D
Explanation:
Amino acids is to protein.
remember the amino acids are the building blocks of the macromolecule protein, in the same way the simple sugar like glucose is a building block for starch.
Answer:
(A) because liquid Glucose aka glucose syrup is a thick clear syrup that controls the formation of sugar crystals.
Which terms can be used to describe carnivores
Answers
Answer:
Carnivores are animals that eat other animals. The word carnivore is derived from Latin and literally means "meat eater." Wild cats such as lions and tigers are examples of vertebrate carnivores, as are snakes and sharks, while invertebrate carnivores include sea stars, spiders, and ladybugs.
Explanation:
google rocks
A population of porcupines has the following genotypes in its gene pool; AA = 18. Aa = 26, aa = 20 What is the frequency of the dominant allele (p) in the population? (Give your answer to 3 decimal places)
Answers
So the frequency of the dominant allele in the population is 0.484, or 0.484 to 3 decimal places.
The frequency of the dominant allele (p) can be calculated using the following formula:
p + q = 1
where p is the frequency of the dominant allele and q is the frequency of the recessive allele.
To find the frequency of the dominant allele, we need to calculate the proportion of individuals in the population that have the AA genotype, since they carry two copies of the dominant allele.
The total number of individuals in the population is:
N = AA + Aa + aa = 18 + 26 + 20 = 64
The number of copies of the dominant allele in the population is:
2AA + Aa = 2(18) + 26 = 62
Therefore, the frequency of the dominant allele (p) is:
p = (2AA + Aa) / 2N = 62 / 2(64) = 0.484
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A decrease in diaphragmatic excursion is associated with what class of restrictive disease? O Neuromuscular O Abdominal O Skeletal O Pulmonary
Answers
A decrease in the diaphragmatic excursion is associated with the pulmonary restrictive disease.
A diaphragmatic excursion is the movement of the diaphragm during respiration. It is a measurement of how much the diaphragm is contracting or moving downwards during inhalation and how much it is relaxing or moving upward during exhalation.
Restrictive lung disease is a type of lung disease characterized by a reduction in lung volumes, either due to an alteration in the lung parenchyma, pleura, chest wall, or neuromuscular function. In restrictive lung disease, the lung's capacity to expand is reduced, making it difficult for a person to breathe in sufficient oxygen.
Therefore, a decrease in the diaphragmatic excursion is associated with pulmonary restrictive disease.
The major restrictive lung diseases are:
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When you think about genetics and how traits are passed down, how can it relate to the society you live in today?
Answers
Answer:
Similar
Explanation:
From long time ago, traits and heredities are passed down, so influence of society can be the same as certain beliefs, ideas, or values that are passed down from long time ago.
are iguanas aggressive animals
Answers
Answer: Depends on there mood like a lot aninmals. Typically though, they are not aggresive and are probably hungrey.
why is less atp produced by anaerobic respiration than by aerobic respiration? anaerobic respiration does not make use of an electron transport chain. anaerobic respiration uses a final electron acceptor that is less electronegative than o2, which is used as the final electron acceptor in aerobic respiration. anaerobic respiration does not make use of the citric acid cycle. all of these answers are correct.
Answers
Anaerobic respiration produces less ATP than aerobic respiration because anaerobic respiration does not make use of an electron transport chain. The correct answer to the question is "anaerobic respiration does not make use of an electron transport chain."
The electron transport chain is a collection of proteins that transfer electrons from NADH and FADH2 to O2, generating a proton gradient across the inner mitochondrial membrane. This gradient is utilized by ATP synthase to generate ATP in the oxidative phosphorylation process.
An important point to remember is that anaerobic respiration uses a final electron acceptor that is less electronegative than O2, which is used as the final electron acceptor in aerobic respiration. The anaerobic respiration process occurs when there is no oxygen in the body.
This lack of oxygen forces the body to convert glucose to energy through fermentation. The fermentation process generates only two ATP molecules per glucose molecule. This energy production process is significantly lower than what is produced by aerobic respiration, which produces 36 ATP molecules per glucose molecule.
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Which kind of volcano is most likely to form from this plate movement
Answers
Which processes occur in both prokaryotes and eukaryotes?
Answers
Answer:
Translation
Explanation:
Translation is a universal process occurs in both prokaryotes and eukaryotes. The fundamental process of translation is same in prokaryotes and eukaryotes. Members of both groups uses information present in mRNA, which is came from the DNA by transcription, to synthesize proteins with ribosome as the machinery.
In a growing plant root, the cells at the tip of the root are constantly dividing to allow the root to grow. Because each cell divides independently of the others, a root tip contains cells at different phases of the cell cycle. A scientist wants to determine the average percentage of time that each cell spends in the various phases of the cell cycle based on a 24-hour cycle time. He looks at a section of the onion root and counts the number of cells in each phase of the cell cycle. The table below shows the data he recorded during his observations.
Which of the following inferences can be drawn based on the data in the table?
A) There are more cells undergoing cytokinesis than telophase because cells need more time to divide the cytoplasm.
B) Cells spend most of their time in mitosis because cells need time to divide and make copies of the genetic information.
C) Cells spend most of their time in interphase because cells need time to grow, copy their DNA, and prepare for division.
D) There are more cells undergoing prophase than telophase because cells need more time to break down the nuclear envelope and condense the genetic information.
Answers
Answer: C is the answer
Explanation:
As per the growing plant roots of the cells of the tip the roots are at a constant motion and also for the division of the growth to take place.
As each cell divides the root tip is formed internally and undergoes by the cell phases and the cell cycle is complete based on the 24 hr. event. The table thus shows us the record. Hence the option C is correct. As Cells spend time in the interphase due to which cells need time to grow, copy their DNA, and prepare for the division.Learn more about the cells at the tip of the root are constantly.
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when a muscle fiber is stretched from 60% of its optimal length to lo, what change or changes is happening on the cellular level?
Answers
Beyond this point, muscles will create less tension. Because of the extensive overlap of the actin and myosin filaments, the muscle will not be able to create its maximum tension while it is at its resting length.
When a muscle cell contracts, what happens to the fiber's length?According to a theory known as the Sliding Filament Theory, muscles contract. According to this idea, as actin filaments glide across myosin filaments, the length of the sarcomeres decreases, shortening the length of the muscle fibers.
What occurs to the muscle cells to shorten the muscle?The sliding filament theory states that myosin filaments shrink sarcomeres inside a muscle fiber by pulling actin filaments closer together. A muscle fiber contracts when every sarcomere in the fiber shortens.
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Organisms have different feeding mechanisms and specialized structures to take in foods:Aquatic animals are often suspension feeders, sifting small food particles from the water. Substrate feeders live on their food sources and eat their way through the food. Fluid feeders suck nutrients from a living host. Bulk feeders eat large particles of meat and/or vegetation The organism pictured above has specialized structures that facilitate which feeding mechanism?
Answers
Answer:
the correct answer is b: fluid
Explanation:
i did it and got it wrong and it gave me the correct answer
A herd of zebras has 9 males and 62 females.
During a one-year period, 22 foals that are born
survive and 25 adults die. Six females join the
herd. Three males and 11 females leave the herd.
Has the herd reached its carrying capacity for this
ecosystem? How do you know?
a. The herd has reached its carrying capacity
because the growth rate is negative.
b. The herd has reached its carrying
capacity because the growth rate
is positive.
c. The herd has not reached its carrying capacity
because the growth rate is negative.
d. The herd has not reached its carrying
capacity because the growth rate
is positive.
Answers
Answer:
C. The herd has reached its carrying capacity because the growth rate is negative.
Explanation:
The herd has not reached its carrying capacity because the growth rate is negative. Hence option c is correct.
What is ecosystem?Ecosystem is defined as a location where a bubble of life is created by the interaction of plants, animals, and other species with the weather, topography, and other factors. In ecosystems, biotic and abiotic factors or nonliving components coexist. Human welfare and survival depend on healthy terrestrial ecosystems because they give us access to critical goods and advantages.
Clumps can disperse in a region when there is an unequal distribution of resources like food, water, moisture, temperature, or other materials. the three benefits that one organism might get by coexisting in a population with clumped dispersal. There is more access to food resources, less movement required for individuals to find mates, and improved predator protection for organisms.
Thus, the herd has not reached its carrying capacity because the growth rate is negative. Hence option c is correct.
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what is the result if a stimulus shifts the potential inside a neuron from the resting potential to a potential slightly closer to zero?
Answers
If a stimulus shifts the potential inside a neuron from the resting potential to a potential slightly closer to zero, it may cause the neuron to depolarize and potentially trigger an action potential.
When a neuron is at rest, it maintains a negative charge inside relative to the outside due to the distribution of ions across its membrane. This is known as the resting potential. When a stimulus causes the membrane potential to become slightly less negative, the neuron begins to depolarize.
If the depolarization reaches a certain threshold, it can trigger the opening of voltage-gated ion channels, leading to a rapid influx of positively charged ions and a reversal of the membrane potential. This sudden change in potential is known as an action potential.
Therefore, if a stimulus shifts the potential inside a neuron from the resting potential to a potential slightly closer to zero, it could potentially trigger an action potential and cause the neuron to transmit a signal.
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In this discussion question, you will be explaining how the Central Dogma (the means by which genetic information is translated into protein structure) is evidence for evolution. In your post you should first demonstrate an understanding of the Central Dogma, then discuss its relationship to evolution. You should feel free to get creative in your description of the Central Dogma: videos, pictures, Power Points are all welcome
Answers
The Central Dogma of Molecular Biology is a fundamental concept in biology that describes the flow of genetic information from DNA to protein. It states that genetic information in DNA is first transcribed into RNA, and then this RNA is translated into a specific protein. This process is essential for the development and function of all living organisms.
The Central Dogma provides evidence for evolution because it demonstrates how genetic information can be passed down from one generation to the next, and how this information can be modified and adapted to suit the needs of different organisms. In other words, it shows how evolution can occur through changes in the genetic code.
For example, if a mutation occurs in the DNA that codes for a particular protein, this mutation will be passed down to the offspring. If this mutation results in a change to the protein structure, it may give the organism a selective advantage, such as improved survival or reproduction. Over time, this advantage may become more pronounced, leading to the spread of the mutation throughout the population.
Another way that the Central Dogma supports evolution is through the process of gene duplication. If a gene is duplicated, it creates an additional copy of the DNA sequence that codes for a particular protein. This allows for the evolution of new protein structures through variations in the copy of the gene.
In conclusion, the Central Dogma provides evidence for evolution by demonstrating how genetic information can be passed down from one generation to the next and how it can be modified to suit the needs of different organisms. This process allows for the evolution of new structures and functions, and provides a mechanism for the spread of beneficial mutations throughout a population.
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Describe the relationship between DNA, chromosomes, and genes.
Answers
Genes are part of your DNA, which makes you different, and chromosomes carry DNA in cells. Also, DNA maintains your structure.
Male courtship is comprised of a number of behaviour patterns. From the list below check ALL boxes that are male courtship behaviour patterns.
Mounting
Crouching
Litter Eating
Waltzing
Rear Approach
Tail Wagging and Strutting
Tidbitting
Foraging
Feather Pecking
Cornering
Answers
The male courtship behavior are;
Mounting
Tail Wagging and Strutting
Feather Pecking
Rear Approach
What are male courtship behaviors?Male courtship behaviors are actions or displays exhibited by male animals to attract a mate and increase their chances of reproducing.
Many male animals, such as birds, fish, and insects, display bright colors or patterns to attract the attention of potential mates. These displays may involve the use of feathers, scales, or other physical features.
Overall, male courtship behaviors are diverse and often elaborate, reflecting the importance of reproduction in the animal kingdom.
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Factors that constitute male courtship behavior patterns include;
MountingWaltzingRear ApproachTidbittingTail Wagging and StruttingCorneringWhat is male courtship behavior?Male courtship behavior refers to the acts exhibited by male animals when they want to court a female animal. Some of these behavioral patterns include mounting, waltzing, rear approach, tidbitting and cornering.
Tidbitting is a unique dance that the rooster engages in when it wants to court a female bird. Just like humans have courtship patterns so do animals.
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The output of cellular respiration is the same as what?
Answers
Have a great day! :)
Answer:
During aerobic cellular respiration, glucose reacts with oxygen, forming ATP that can be used by the cell. Carbon dioxide and water are created as byproducts. In cellular respiration, glucose and oxygen react to form ATP
DNA replicates in the
nucleus cytoplasm
endoplasmic reticulum
cell membrane
where does it replicate?
Answers
Answer:
Nucleus
DNA replication happens in the nucleus of human cells. It will also take place within mitochondrial matrix.
Explanation:
DNA replication occurs during the S-stage of interphase. DNA replication (DNA amplification) can also be performed in vitro (artificially, outside a cell). DNA polymerases isolated from cells and artificial DNA primers can be used to start DNA synthesis at known sequences in a template DNA molecule.
About:
In molecular biology, DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule. DNA replication occurs in all living organisms acting as the most essential part for biological inheritance.
DNA replication takes place in the nucleus of the cell. Thus, the correct option for this question is A.
What is DNA replication?DNA replication may be defined as the process through which the genomic DNA successfully gets copied into cells during the mechanism of cell division. It is a process of creating two identical replicas of DNA from one original DNA molecule.
According to the context of this question, the process of DNA replication takes place during the S-phase of interphase. During this phase, the amont of genetic content doubles in the cell which is then separated into daughter cells equally followed by cytokinesis.
Therefore, DNA replication takes place in the nucleus of the cell. Thus, the correct option for this question is A.
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