Birds migrating, cats chasing prey, sea turtles moving toward the ocean immediately after birth, and a joey (baby kangaroo) moving to its mother's pouch immediately after birth are all examples of ________.
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The illustrations given are all examples of : Instinct
Meaning of InstinctInstinct can be defined as an action or response to an event that is natural and not premeditated
Instinct is a feature in all animals that they exhibit naturally without thinking or planing when faced with a challenge
In conclusion, The illustrations given are all examples of : Instinct
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Related Questions
1. How much land in the United States is lost to urban sprawl every year?!
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What percentage of tissue located in the bone marrow cavities of adults is fat?
A. 10%
B. 25%
C. 50%
D. 75%
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The percentage of tissue located in the bone marrow cavities of adults that is fat can vary depending on various factors, including age, sex, and overall health. The correct option is B. 25%
However, in healthy adults, the typical range for fat content in the bone marrow is estimated to be around:
Approximately 25% of the tissue located in the bone marrow cavities of adults is composed of fat. This adipose tissue within the bone marrow serves various functions, including energy storage, insulation, and supporting hematopoiesis (the production of blood cells).
It is important to note that this percentage can vary and may be influenced by individual factors and health conditions. The correct option is B. 25%
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how do vertebrates differ from other chordates
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Other differences between vertebrates and other chordates include:
- Vertebrates have a well-developed nervous system, including a brain and spinal cord, while other chordates may have a less developed nervous system.
- Vertebrates have a specialized circulatory system, with a heart that pumps blood to the rest of the body, while other chordates may have a simpler circulatory system or no circulatory system at all.
- Vertebrates have a complex system of muscles and limbs for movement, while other chordates may have simpler or no muscular systems for movement.
- Vertebrates are typically larger and more complex than other chordates.
- Vertebrates are found in a wider variety of habitats than other chordates.
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hElp plS anD Ty oNce agAin.;-;
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What is one of the reasons why Gregor Mendel chose to study
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Answer:
Gregor Mendel was the father of the field of genetics, which seeks to explain how traits are passed on from one generation to the next. To study genetics, Mendel chose to work with pea plants because they have easily identifiable traits.
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What are the 3 functions of RNA?
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RNA, or ribonucleic acid, is a molecule that plays a critical role in the biological processes of cells. RNA performs a variety of functions, but the three main functions are:
Protein synthesis: RNA acts as a template for the synthesis of proteins. The process of protein synthesis is known as translation, and it involves the transfer of genetic information from DNA to RNA and then to proteins.
Gene regulation: RNA can also play a role in regulating gene expression. For example, microRNAs (miRNAs) are small non-coding RNAs that bind to specific sites on messenger RNAs (mRNAs) and inhibit their translation. This can lead to the repression of protein production from specific genes.
Catalytic activity: Some types of RNA molecules have catalytic activity, meaning that they can carry out chemical reactions. The most well-known example of this is ribozymes, which are RNA molecules that have enzymatic activity.
In detail, the first function of RNA is protein synthesis. This process starts with the transcription of DNA in the nucleus of the cell. During transcription, an enzyme called RNA polymerase reads the DNA code and produces a complementary RNA molecule. This RNA molecule, called messenger RNA (mRNA), then exits the nucleus and travels to the ribosomes in the cytoplasm. There, it serves as a template for the synthesis of proteins. The sequence of nucleotides in the mRNA determines the sequence of amino acids in the resulting protein.
The second function of RNA is gene regulation. MicroRNAs (miRNA) are small non-coding RNAs that are transcribed from specific genes and then fold into specific stem-loop structures. Once formed, miRNA bind to specific sequences on target messenger RNAs (mRNAs) and inhibit their translation, leading to repression of protein production. This is one way that cells can control which genes are actively producing proteins at a given time.
The third function of RNA is catalytic activity. Ribozymes are RNA molecules that have enzymatic activity and can catalyze chemical reactions. The most well-known example of this is the ribosome, which is a complex of RNA and protein molecules that catalyzes the formation of peptide bonds between amino acids during protein synthesis. Additionally, some viruses also have RNAs that act as enzymes to catalyze replication of viral genomes.
In summary, RNA plays a crucial role in the biological processes of cells, performing three main functions: protein synthesis, gene regulation, and catalytic activity.
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PLS HELP! Checked everywhere but no answer. Will mark BRAINLIEST if correct and A long explanation!!
Part E
In the space below, record all the sites you used for your research in proper MLA format
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When citing sources in a research project, it is important to follow the guidelines of MLA format. The following is an example of how to cite different types of sources in MLA format:
1. Books:
Author Last Name, First Name. Book Title. Publisher, Publication Date.
Example: Smith, John. The History of America. Random House, 2015.
2. Articles:
Author Last Name, First Name. "Article Title." Journal Title, Volume number, Issue number, Publication Date, page numbers.
Example: Brown, Sarah. "The Effects of Climate Change on Wildlife." Scientific American, vol. 312, no. 3, 2015, pp. 58-63.
3. Websites:
Author Last Name, First Name. "Page Title." Website Title, Publisher, Publication Date, URL.
Example: Johnson, Lisa. "Top 10 Tips for Writing a Research Paper." The Writing Center, University of North Carolina at Chapel Hill, 2019, https://writingcenter.unc.edu/tips-and-tools/.
4. Online Articles:
Author Last Name, First Name. "Article Title." Website Title, Publisher, Publication Date, URL.
Example: Green, James. "The Benefits of Exercise for Mental Health." Healthline, Healthline Media, 2018, https://www.healthline.com/health/exercise-mental-health.
When listing your sources in MLA format, be sure to organize them alphabetically by the author's last name. Use hanging indents (first line flush left, subsequent lines indented) for each citation.
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Why are there Inany different cell types in the human body if they all contain identical DNA?
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Basically, although all cells in the human body have the same DNA, they have different genes in that DNA turned on or off to change what proteins are produced, and thus that cell's structure and function
It is evident that no two cells are the same. For instance, it is clear that the cells in our eyes and heart function extremely differently from one another. Our skin and liver cells share the same characteristics. the cells in our brain and muscles. Or any of the over 300 other cell types.
Because they employ the same set of genes in various ways, these cells differ from one another. Therefore, despite the fact that each of our cells has roughly 20,000 identical genes, each cell may choose which genes to "turn on" and which to keep "shut off.
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Which of the following is digested first?
protein
starch
fat
sugar
Answers
Starch
Explanation:
Digestion begins in the mouth. The teeth break down food from chewing through mechanical digestion.
Chemical digestion also begins in the mouth. Saliva moistens food, but it contains an important enzyme called amylase. This enzyme breaks down starch into simple sugars.
So, the first compounds that are digested are starch.
Manu wanted to verify if fertilizers help plants to grow well. He took a potted plant, mixed fertilizer with the soil and took good care of the plant. He also maintained a record of the growth of the plant. The error in Manu's experiment was
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Answer: He didn’t grow a plant without fertilizer.
Explanation: Manu has nothing to compare his plant to. Meaning, he cannot prove that fertilizers help plants grow. He needs to grow a plant with and without fertilizer.
A skin cell should generate an exact copy of itself. Through which process would this occur?
O meiosis
telophase
fertilization
mitosis
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Mitosis is the division in which two identical daughter cells are generated from a mother cell
Answer:
Mitosis
Explanation:
Definition:"a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth"
Many species of trees in the desert are seen to have long tap roots that grow very deep into the ground - sometimes as long as 2-3 times the tree's height. Which of the following is the MOST LIKELY reason for these long roots?
a. to allow the trees to store more food
b. to fix the tree firmly to the sand to withstand desert storms
c. to draw water from deep below the surface
d. to help the tree grow back if the part above the ground is destroyed
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Compared to a natural forest, the wheat field of a farmer lacks
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The process in which the nucleus of a eukaryotic cell devides during asexual reproduction is called
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Answer:
Mitotic Phase
Explanation:
During mitosis, the two sister chromatids that make up each chromosome separate from each other and move to opposite poles of the cell.
Unique feature of osmosis is that
(1) energy is required
(2) it involves movement of solutes
(3) it occurs across membranes only
(4) it is seen only in animals
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Answer:
I believe the answer is (3)
Explanation:
"Osmosis is a special type of diffusion, namely the diffusion of water across a semipermeable membrane"
"Osmosis only occurs with a semipermeable membrane"
Khan and sciencedirect
before the red bone marrow takes over completely, two other fetal organs contribute to RBC production; these are the
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The production of red blood Cells (RBCs) begins in the yolk sac of the developing fetus. Initially, this organ is the main site of RBC production during the early part of pregnancy.
The liver and spleen take over the role of RBC production during the middle of the pregnancy. The liver produces numerous small immature RBCs, while the spleen produces fewer, larger RBCs. At around week 18 of gestation, the fetal red bone marrow begins to take over the role of producing RBCs, becoming the primary source for the remainder of the pregnancy and into adult life.
During this transition period, both the yolk sac, liver, and spleen continue to contribute to the production of RBCs. This allows for an increase in the red blood cell production needed to support the rapid growth and demands of the fetus.
RBCs produced by each of the organs differ slightly in size, shape, and lifespan. The different components of the RBC production system ensure that the fetus is able to meet its rapidly increasing demands during pregnancy.
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What is often a problem when calibrating a molecular clock?
A. There are frequently not enough negative mutations to accurately calibrate the clocks.
B. There are many different clocks, each of which "ticks" at a different rate.
C. The clocks use mutations that are difficult to identify and track.
D. The frequency of crossing over is used to calibrate the clocks.
Answers
Answer:
cevabın C olduğunu düşünüyorum
which of the following is not a function of the nose? a. humidifies the incoming air with mucus b. warms the incoming air with superficial capillaries c. all of the choices are functions of the nose d. cleans the incoming air with nasal hairs, cilia, and mucus
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Option C - all of the choices are functions of the nose - is the correct answer.
The nose performs multiple functions to prepare the air for entry into the respiratory system. These functions include humidifying the incoming air with mucus, warming the incoming air with superficial capillaries, and cleaning the incoming air with nasal hairs, cilia, and mucus. These mechanisms work together to ensure that the air reaching the lungs is filtered, moistened, and at an optimal temperature for efficient respiratory function.
Option C states that all of the choices are functions of the nose, which is correct. The nose acts as a filtration system, capturing particles and pathogens in the mucus and trapping them in the nasal hairs and cilia. It also helps in conditioning the air by adding moisture through the production of mucus and warming it through the superficial capillaries present in the nasal tissues.
Therefore, all of the listed functions (humidifying, warming, and cleaning the incoming air) are essential roles performed by the nose to maintain the health and functionality of the respiratory system.
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Which body cavity is further separated into other cavities?.
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Answer: The thoracic cavity is separated from the abdominopelvic cavity by the diaphragm. The thoracic cavity is further separated into the pleural cavity which contains the lungs and the superior mediastinum which includes the pericardial (heart) cavity.
Explanation:
You have joined a lab studying dna replication in e. Coli. The graduate student you are working with has identified a mutation in primase that makes primase very inefficient. Your project is to characterize the cells with this mutation. Predict the defects you would most likely see in the mutant e. Coli cells.
Answers
The defects we will most likely see in the mutant E.coli are C. a delay in DNA polymerase beginning the synthesis and D. a longer total time to replicate DNA.
The primase plays a crucial role in DNA replication as they are involved in the formation of primers. These primers are short RNA sequences that initiate transcription.
A mutation is a change in the DNA sequence. A mutation in the primase activity of E.coli will cause a delay in the process of replication, as without the formation of primers, DNA polymerase will delay its activity to synthesize a new strand by the addition of nucleotides. On the whole, it will take much longer for the replication process as the activity of DNA polymerase will take much longer.
Although a part of your question is missing, you might be referring to this question:
You have joined a lab studying DNA replication in E. coli. The graduate student you are working with has identified a mutation in primase that makes primase very inefficient. Your project is to characterize the cells with this mutation. Predict the defects you would most likely see in the mutant E. coli cells. Choose one or more: A. a delay in the unwinding of DNA B. rapid lagging-strand synthesis but slow leading-strand synthesis C. a delay in DNA polymerase beginning synthesis D. a longer total time to replicate DNA E. inefficient Okazaki fragment joining
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Why does origin want to clone meaty dark feathered birds
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The origin wants to clone dark feathered birds as dark fathers were more efficient in providing heat and effective fly to the birds.
According to the researchers, darker feathers heated up more quickly than lighter ones and got hotter as well. However, the birds that truly benefited were those with light-colored or white wing feathers close to their bodies and dark or black wing feathers on the remainder of their wings. Therefore, the original intended to clone these birds with dark feathers.
Moreover, the researchers discovered that the temperature of black and white feathers on the same wings varied by as much as nine degrees, which was sufficient to induce a convection current in the air just above the wing that moved from the bird's body outward along the wing. They saw that this increased airflow, which they reasoned increased flying effectiveness.
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Question 7 of 10
When would a forest be sustainable?
A. When supply and demand are both zero
B. When demand increases while supply stays the same
C. When demand exceeds supply
D. When supply exceeds demand
S
Answers
Answer:
D. When supply exceeds demand
Explanation:
If you have more woods than current demand, you can save some wood to sell later and conserve the trees. This way it would be sustainable for long time.
For scanning a slide, power is usually used.
Answers
you now know that inheritance of eye color in fruit flies is sex-linked: the gene encoding eye color is located on the x chromosome, and there is no corresponding gene on the y chromosome. how would the inheritance pattern differ if the gene for eye color were instead located on an autosome (a non-sex chromosome)? recall that for autosomes, both chromosomes of a homologous pair carry the same genes in the same locations.
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If eye color exhibits autosomal (non-sex chromosome) inheritance. Then, in this case we have 100% red eyes and 0% white.
Let's suppose a cross between large number of white-eyed females with red-eyed males. Then considering two separate cases:
Case 1: Eye color exhibits sex-linked inheritance Case 2: Eye color exhibits autosomal (non-sex linked) inheritance. (In this case, assume that the red-eyed males are homozygous )
For each of this case, predict that how many of the male and female offspring would have red eyes and white eyes.
In Case 1: Eye color exhibits sex-linked inheritance If there were 100 female offspring would have red eyes and zero would have white eyes. If there were 100 male offspring zero would have red eyes and 100 would have white eyes.
And in Case 2: Eye color exhibits autosomal (non-sex-linked) inheritance. If there were 100 female offspring, 100 would have red eyes and zero would have white eyes. If there were 100 male offspring 100 would have red eyes and zero would have white eyes.
So, in this case we have 100% red eyes and 0% white.
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The gradual ______________________ of one plant community by another through natural processes over time
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Answer:
I think it may be replacement
Answer:
The gradual replacement of one plant community by another through natural processes over time
Coat color in mice is another excellent example of epistasis. In mice agouti (A) is the wild type, yellow, coat color, which is dominant to the black (a) coat color. A different gene controls whether or not the pigment is deposited in the fur. The dominant allele (D) allows the pigment, while the recessive allele (d) causes albinism in the mouse, regardless of the A/ a allele. If a mouse with the genotype AADd is crossed with a mouse that has a genotype aaDd, what will the phenotypic ratios of the offspring be?
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The phenotypic ratio of the offspring if a mouse with the genotype AADd is crossed with a mouse that has a genotype aaDd, will be 4:2, yellow with pigment to yellow without pigment.
To determine the phenotypic ratios of the offspring, we need to first determine the gametes produced by each parent. The first parent (AADd) can produce four different gametes: AD, Ad, AD, and Ad. The second parent (aaDd) can also produce four different gametes: aD, aD, ad, and ad.
To determine the genotypes of the offspring, we can use a Punnett square.
| | A D | A d |
|---|---|---|
| a D | AaDD | AaDd |
| a d | Aadd | Aadd |
From the Punnett square, we can see that there are two possible phenotypes of the offspring: yellow (agouti) with pigment or yellow (agouti) without pigment.
The yellow with pigment phenotype (A_D_) is produced by the following genotypes: AADD, AADd, AaDD, and AaDd.
The yellow without pigment phenotype (A_dd) is produced by the following genotypes: Aadd and aaDd.
Thus, the phenotypic ratio of the offspring will be 4:2, yellow with pigment to yellow without pigment.
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plant cells____ water and start to wilt
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The answer is lose.......
DNA
a section of the molecule that carries instructions for specific traits from one generation to another
true or false
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Answer: This is True
Explanation: DNA is copied and carried down into generations every time an organism sexually reproduces.
Question 14 (2 points) The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called natural selection. O mutation. genetic drift. migration.
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The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.
A mutation is a sudden and lasting alteration in the DNA sequence that can influence genetic variation. Changes in the DNA sequence can influence phenotype, which may or may not have an effect on an organism's fitness. Mutations occur spontaneously, either from errors in DNA replication or from exposure to mutagenic agents. Mutations may happen in either coding or non-coding regions of the DNA, and they can be either silent or expressed.
Evolution is a natural process that results in the gradual change of inherited characteristics in populations over generations. It is the process of alteration in the inherited characteristics of species over successive generations. In other words, it is the process of gradual changes that happen to species over time as they adapt to their environments. It can be defined as a change in the gene frequency in a population over time.
Types of Evolution 1. Natural Selection 2. Genetic Drift 3. Gene Flow 4. Mutation 5. Non-Random Mating 6. Admixture 7. Mutation Pressure 8. Genetic Draft 9. Bottleneck and Founder Effect 10. Sexual Selection the process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.
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which is an important factor about primary dentition? parents often do not understand the importance of primary teeth. primary teeth are important for chewing, appearance, speech, and maintaining eruption space for about 5 to 11 years. primary teeth can become decayed more quickly because the enamel and dentin are thinner than those in the permanent dentition. none of the options.
Answers
The important factor about primary dentition is that primary teeth are important for chewing, appearance, speech, and maintaining eruption space for about 5 to 11 years. Therefore the correct option is option B.
Primary teeth, sometimes referred to as baby teeth or deciduous teeth, are extremely important for a child's oral health and growth. They guide the location and alignment of permanent teeth by acting as their placeholders.
In addition to aiding in healthy chewing and speech development, primary teeth also have a role in a child's facial growth and attractiveness.
Primary teeth are susceptible to decay and destruction even when permanent teeth eventually replace them. The enamel and dentin of primary teeth are actually thinner than those of permanent teeth, making them more susceptible to decay. Therefore the correct option is option B.
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