Based on the food web, the organism which if removed would impact the
the most is plantain.
The introduction of a new predator would redirect the flow of energy through the food web.
What is a food web?All the food chains in one ecosystem are combined to form a food web. Every living organism in an ecosystem is connected to several different food chains.
Two basic types of food webs often exist in an ecosystem: a grazing food web based on photosynthetic plants or algae and a detrital food web based on decomposers for example fungi).
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This is a multiselect question! Select ALL of the following that correctly describe the
function of stem cells:
A)Cells that can differentiate into (become) any type of cell. Ex. blood, muscle, skin
cells.
B)Cells that can renew themselves continuously.
C) Cells that cannot specialize into different types of cells.
D) Cells that come from bone marrow or embryos.
Answer:
A, B, and D
Explanation:
Stem cells are special human cells that are able to develop into many different cell types. They commonly come from bone marrow, and from embryos.
What will happen when a plant cell is kept in hypotonic solution?.
The diagram shows a model of an atom. The model contains three
different subatomic particles. Particles X and Y are inside the
nucleus, and particle Z is outside of the nucleus.
Model of an Atom
Which statements best describe the charges on the particles in this
model?
A Both particles X and Y have a positive charge.
Particle Z has a negative charge.
B. Both particles X and Y have a negative charge.
Particle Z has a positive charge.
C Either particle X or particle Y has a positive charge.
Particle Z has a negative charge.
D Either particle X or particle Y has a negative charge.
Particle Z has a positive charge.
In the Bohr atomic model, protons (+ charge) and neutrons (0 charge) compose the nucleus. Electrons (- charge) are circulating in orbits around the nucleus. C) Either particle X or particle Y has a positive charge. Particle Z has a negative charge.
What is the Bohr atom model?The atom Bohr model is a representation of atoms composition of and the interaction between these elements.
The model proposes a nucleus composed of neutrons and protons, and orbits around the nucleus with electrons on them.
There are different orbits around the nucleus, each with a certain energy. Each of these orbits is then the energy level. Electrons can gain or lose energy and jump from one level to another.
The model states that
Protons are particles with a positive charge occupying a small volume of the atom's size. Protons contain most of the atomic mass. Neutrons are particles that have no charge. Electrons are particles with negative charges circulating in orbits around the nucleus.There can be many orbits, each with a different size and energy level.The energy level is proportional to the orbit size. Each orbit has a different number of electrons. As electrons gain or lose energy, they move from one orbit to another.
In the exposed model,
X and Y - Protons and NeutronsZ - ElectronsNow, let us analyze the options,
A) Both particles X and Y have a positive charge. Particle Z has a negative charge.NO. X and Y do not have a positive charge, only one of them has.
B) Both particles X and Y have a negative charge. Particle Z has a positive charge.
NO. X and Y are positive and neutral, while Z is negative.
C) Either particle X or particle Y has a positive charge. Particle Z has a negative charge.
YES. Either X or Y are representing protons and neutrons, with positive and neutral charges, respectively. Z represents electrons with a negative charge.
D) Either particle X or particle Y has a negative charge. Particle Z has a positive charge.
NO. X and Y can have a positive or neutral charge. Z only negative charge.
According to this model description, the correct option is C).
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which of the following correctly describes a reaction that forms a disaccharide from two monosaccharides?
Answer Options:
a. glycogen + fructose = maltose
b. galactose + glucose = lactose
c. glucose + sucrose = fructose
d. maltose + lactose = cellulose
Answer:
b. galactose + glucose = lactose
Explanation:
Monosaccharides are single units. Disaccharides are molecules of two monosaccharides joined together.
Examples of monosaccharides include glucose, fructose, and galactose.
Examples of disaccharides include lactose, maltose, and sucrose.
The only example that shows this is b.
from any observations you have made on human infants, which type of memory would you guess develops first, the hippocampal-dependent system or the striatumdependent system?
Based on observations of human infants, it is likely that the striatum-dependent system develops first. This is because the striatum is involved in habit learning and procedural memory, which are skills that infants begin to develop early on, such as learning to grasp objects or crawl.
In contrast, the hippocampal-dependent system is involved in episodic memory and spatial navigation, which are more complex cognitive abilities that likely develop later in infancy and childhood as the brain continues to mature.
Based on observations of human infants, it is likely that the striatum-dependent system develops first. This system is responsible for procedural and habit learning, which are essential for infants to acquire basic motor skills and routines. In contrast, the hippocampal-dependent system, which involves episodic and spatial memory, typically develops later as infants grow and start to form more complex memories and cognitive abilities.
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c) Suggest what can be done to address any discrepancy. Start explaining the most practical solution first and then the least favorable solution(s). Write in the provided box, please. [10 marks]
Answer:
Explanation:
yes cux it is good
and i needpoints
The total variety of all living things on Earth is described as
А an ecosystem
B biodiversity
с a population
D competition
Answer:
biodiversity
Explanation:
An ecosystem is all the things in an biome but not all Earth
biodiversity is the variety of all living things
a population is the number of a species in an area
competition is when animals compete for resources
P.S. Please mark Brainliest if correct?
which term describes the watery membrane that surrounds the lungs
A. Pleural membrane
B. Pericardium
C. Peritoneum
D. Mucous membrane
The correct term that describes the watery membrane surrounding the lungs is the pleural membrane.
Pleural membrane is a thin, double-layered membrane that covers the surface of each lung and lines the inside of the chest wall. The space between the two layers of the pleural membrane is called the pleural cavity, which contains a small amount of fluid that allows the lungs to move smoothly during breathing. The pleural membrane helps to protect the lungs and keep them inflated by creating a vacuum effect between the lung surface and the chest wall.
Damage to the pleural membrane, such as from injury or infection, can lead to conditions like pleurisy or pleural effusion, which can cause difficulty breathing and other symptoms. Overall, the pleural membrane is a vital component of the respiratory system and plays a crucial role in maintaining lung function.
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give me an atom with the following characteristic? 1.metal 2.metaloid
Giving all the jazz! How many genes are needed to control a single-gene trait?
Answer:
One.
Explanation:
Question 1/7 The Nile River carries sediments to the ocean. Over time, the sediments are compressed as more sediments are deposited on top of them. Which type of rock will be formed?
Answer:
Sedimentary Rock
Explanation:
Sedimentary rocks are formed from pieces of sediments or other existing organic matter or rock.
The sedimentary rock formation process begins with weathering which involves the breakdown of the sediments into small fragments. The next process is erosion, where water like the Nile River carries them to other places - in this case, the Ocean.
Over time, the sediments settle and become compressed as more sediments are deposited on top of them.
This leads to the formation of Sedimentary Rocks.
Symbiotic archaea that live inside tubeworms can use two different methods to metabolize ________ and can switch back and forth to accommodate fast-changing environmental conditions.
A) arsenic
B) cadmium
C) carbon dioxide
D) hydrogen sulfide
E) sulfuric acid
Symbiotic archaea that live inside tubeworms can use two different methods to metabolize hydrogen sulfide and can switch back and forth to accommodate fast-changing environmental conditions.
Symbiotic archaea that live inside tubeworms (specifically, deep-sea tubeworms) are known as sulfur-oxidizing bacteria. These bacteria have the ability to metabolize hydrogen sulfide, which is abundant in the deep-sea hydrothermal vent environments where the tubeworms reside. Hydrogen sulfide serves as an energy source for these bacteria, allowing them to generate the necessary nutrients for their survival.
The hydrothermal vent environments are highly dynamic, with fluctuating levels of hydrogen sulfide due to the venting of volcanic gases. To adapt to these fast-changing environmental conditions, the symbiotic archaea can switch between two different methods of metabolizing hydrogen sulfide. They can either use the sulfide oxidation pathway or the sulfur oxidation pathway, depending on the availability of hydrogen sulfide and other factors in their immediate environment.
This metabolic flexibility enables the symbiotic archaea to efficiently utilize the available resources and survive in the extreme and ever-changing conditions of deep-sea hydrothermal vents.
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Using what you learned this week about DNA and the cell cycle, explain what can go wrong to cause cancer in an organism. Be detailed in your answer.
Answer:
Cancer is caused by accumulated damage to genes. Such changes may be due to chance or to exposure to a cancer causing substance.
The substances that cause cancer are called carcinogens. A carcinogen may be a chemical substance, such as certain molecules in tobacco smoke. The cause of cancer may be environmental agents, viral or genetic factors.
Explanation:
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Evolutionary change in observable time scales.
Why is ATP a better source of energy for cells than other organic molecules, such as glucose?
ATP stores energy within the phosphate
who called cells animalcules
Answer:
Van Leeuwenhoek
Explanation:
not much to explain. Van was the one who called them animalcules.
In order for the NMDA receptor to fully open and allow an influx of calcium, both glutamate and glycine must bind to cause a depolarization of the cell that will ultimately displace which ion? Is the NMDA receptor an ionotropic or metabotropic receptor?a. Sodium - ionotropicb. Sodium - metabotropicc. Magnesium - metabotropicd. Magnesium - ionotropic
The NMDA receptor an ionotropic is Magnesium - ionotropic.
What is NMDA receptor?NMDA receptors (N-methyl-D-aspartate receptors) are a type of glutamate receptors found in the brain. They are involved in a variety of normal brain functions, including learning, memory, and neuronal development.NMDA receptors also play a role in modulating the release of neurotransmitters and have been implicated in a number of neurological disordersNMDA receptors are ionotropic, meaning they allow ions to pass through them, resulting in a change in the cell's electrical activity. They are also ligand-gated, meaning they open or close in response to the binding of specific molecules, such as glutamate and glycine.NMDA receptors are located on the surface of neurons and are composed of several parts, including a pore, which allows ions to pass through, and several subunits, which control the opening and closing of the receptor.Activation of NMDA receptors requires the binding of both glutamate and glycine, which opens the pore, allowing calcium ions to enter the neuron. The influx of calcium ions triggers a cascade of events in the neuron, resulting in the release of neurotransmitters, which then activate other neurons.To learn more about NMDA receptor refer to:
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Two practical actions learners could take to improve their chances of receiving a bursary for tertiary education
The actions that students could take to improve their chances of receiving a bursary should be associated with their motivations and work. It is essential to obtain academic achievements.
What does motivation mean?Motivation, i.e., your internal desire to obtain something, is an essential aspect for improving the chances of receiving a bursary.
Motivation and working hard (in this case, studying hard) are essential aspects to have success in academic life.
Some other tips for improving the chances of getting a bursary may include the interest in the issues of your school and community and applying early for scholarships.
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Explain why hypothesis is not an educated guess ?
Answer:
Unlike a wild guess, a hypothesis is based on observations and it must be testable.
Explanation:
Answer:
because its testable
Explanation:
because You are guessing what the final outcome will be with whatever knowledge you knew or researched.
also and educated guess is based on what you know but it isn't testable.
like i think the sky is blue because i saw it.
vs
if i get people to look at the sky then i will determine if it is blue or not
a trait whose development requires the action of thousands of genes but whose variation is due to variation at only two loci is
A trait whose development requires the action of thousands of genes but whose variation is due to variation at only two loci is A.) Extranuclear
The transfer of genes that exist outside the nucleus is known as extranuclear inheritance, sometimes known as cytoplasmic inheritance. It is prevalently recognized to occur in cytoplasmic organelles like mitochondria and chloroplasts or from cellular parasites like viruses or bacteria and is present in the majority of eukaryotes.
Additionally feasible is the extranuclear transfer of bacterial symbionts and viral genomes. Perinatal transmission is an illustration of viral genome transfer. During the perinatal period, which starts before delivery and lasts for roughly a month after birth, this happens from the mother to the fetus. Viral particles may transfer from mother to kid at this time via the bloodstream or breastfeeding. This is especially concerning for moms who have HIV or Hepatitis C. Additionally, hereditary symbiotic cytoplasmic bacteria are seen in creatures like flies.
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A trait whose development requires the action of thousands of genes but whose variation is due to variation at only two loci is
A.) Extranuclear
B.) Digenic
C.) Polygenic
D.) Meristic
What are some examples of commensalism in an ecosystem?.
gustatory information from the anterior 2/3 of the tongue is carried to the gustatory cortex of the cerebrum via which cranial nerve?
Gustatory information from the anterior 2/3 of the tongue is carried to the gustatory cortex of the cerebrum via Facial Nerve.
The facial nerve's specific sensory branches carry gustatory data from taste buds on the anterior tongue and palate to the brain. The trigeminal (V) nerve carries somatosensory information from these same regions.
Special sensory taste information is transmitted from the anterior two-thirds of the tongue to the facial nerve (CN VII). While still a component of the lingual nerve, these fibres exit the tongue and join the chorda tympani at the infratemporal fossa.
The chorda tympani, a branch of the facial nerve, provides innervation to the buds on the soft palate and the anterior two-thirds of the tongue. The glossopharyngeal nerve (CN IX), which is located in the posterior portion of the tongue, innervates the pharynx and all vallate papillae.
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Pathogenic microbial agents include bacteria, worms, protozoa, viruses, fungi, and heavy metals.
a. true
b. false
The statement that “ pathogenic microbial agents include bacteria, worms, protozoa, viruses, fungi, and heavy metals ” is false.
Pathogens are microscopic organisms that have the ability to enter the body and can be a source of disease for the body. It includes tiny living organisms which are not visible to the normal eye. As the pathogens definition includes only living organisms therefore heavy metals are not included in the group of pathogens while bacteria, worms, protozoa, viruses, and fungi are considered to be pathogens since they are living organisms and have the ability to penetrate into hosts and can cause a disease or illness.
However, if the levels of heavy metals are too high in the body, they can be dangerous for the body as they have an adverse effect on many different organs.
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The house mouse, Mus musculus, has a diploid chromosome number of 40. How many chromosomes would be found in the following? a. monosomic cell b. trisomic cell c. nullisomic cell d. double tetrasomic cell e. triploid cell f. 4n + 2 cell g. disomic gamete h. nullisomic gamete
The diploid chromosome number of the house mouse, Mus musculus, is 40. Therefore, the number of chromosomes in the following cells can be determined as follows:
a. Monosomic cell: 40 - 1 = 39 chromosomes
b. Trisomic cell: 40 + 1 = 41 chromosomes
c. Nullisomic cell: 40 - 2 = 38 chromosomes
d. Double tetrasomic cell: 40 + 4 + 4 = 48 chromosomes
e. Triploid cell: 40 x 3 = 120 chromosomes
f. 4n + 2 cell: 40 x 4 + 2 = 162 chromosomes
g. Disomic gamete: 40 / 2 = 20 chromosomes
h. Nullisomic gamete: 40 - 2 / 2 = 19 chromosomes
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what is the number of feathers in pigeon body
Red blood cells _____. carry oxygen form clots carry carbon dioxide fight germs
Answer:
do
Explanation:
i took a cell class
PLS help me!!!!
Finding the Epicenter
Find the length of the radius of each circle. To calculate the radius, divide the distance from the epicenter by 640 km.
what is the probability for Tt x tt punnet square.
Answer:
I made a punnet square to explain it better.
The letters highlighted in yellow are the products of a Tt x tt punnet square
There's a 50% chance of getting Tt and 50% chance of getting tt.
The discovery of giant viruses led to evidence that viruses may actually meet all characteristics of life. These viruses encode for more than 1,000 genes and are even parasitized by smaller viruses, like the
The discovery of giant viruses has provided a significant shift in the understanding of viruses and their classification. With a size and genome comparable to some bacteria, giant viruses like mimiviruses, pandoraviruses, and pithoviruses have challenged the traditional definition of viruses as non-living particles.
These viruses encode for more than 1,000 genes, rivaling some bacteria in terms of genetic complexity. Moreover, they are parasitized by smaller viruses, such as sputnik virophages, which leads to speculation that viruses could be alive.In general, viruses do not meet all the characteristics of life, such as the ability to reproduce on their own or carry out metabolism. However, the discovery of giant viruses has led to the possibility that viruses could be more complex than previously thought. Some researchers have even proposed a "fourth domain of life" to include giant viruses, given their size and genetic complexity.
Additionally, the fact that giant viruses can be parasitized by smaller viruses suggests a level of interdependence and evolution that is more commonly associated with living organisms. In conclusion, while viruses may not fit the traditional definition of life, the discovery of giant viruses has raised new questions and expanded the understanding of the diversity and complexity of viruses.
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Which of the following correctly dsecribes how cellular respiration would
be different from photosynthesis?
Answer:
1) Cellular respiration would show glucose as the main source of energy.