Biology

Please help! cladograms represent hypotheses of relatedness based on evidence. when cladograms are constructed from molecular evidence, scientists must examine genes to determine placement. what key factor should scientists look for when determining relatedness between species using this type of evidence? biochemical pathways mutations to homologous genes the pattern of embryological development morphology
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What is the Solution?
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How could the movements of the planets in the solar system be used as evidence for how the solar system formed?
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PLEASE HELP TIMED!1. By the end of the 2nd trimester, the baby's skeleton is:A. HardB. SoftC. Just beginning to formD. None of the above2. When is the baby called an embryoA. 7-9 monthsB. 4-6 monthsC. 1-7 daysD. 10 days to 8 weeks3. Which of the following stages is a blastula/ blastocyst?A. 0-4 daysB. 9-40 weeksC. 7-9 daysD. 5-7 days3. Which of the following stages is a morula?A. 0-4 daysB. 9-40 weeksC. 7-9 daysD. 5-7 days4. When does the placenta begin to form?A. 10-15 daysB. 9-40 weeksC. 7-9 daysD. 5-7 days
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A small forest stood on the edge of an expanding city. In the middle of the forest was a large pond, which arose from a natural spring. As the city expanded, the forest was cut down, the pond drained, and the area paved over for a mall and office buildings. After five years, the average humidity of the area seemed to have decreased. Use your knowledge of the water cycle to interpret this observation.
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After a volcanic eruption, it takes a long time for large ecosystems to fully recover. Which statement best explains why the development takes so long?.
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HELP ASAP WORTH 501. Main part of the marine iguana diet2. Secondary habitat of marine iguanas3. Zero degrees latitude4. Islands where marine iguanas live5. A group of islands6. One event that affects the Galpagos7. Depth to which marine iguanas dive8. Secondary habitat of marine iguanas9. What the "SO" in ENSO stands for10. Primary habitat of marine iguana
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Is this a pinnate, palmate or parallel vein
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A population of 13 birds exhibits linear growth, with an average growth rate of 2. 4 individuals per year. If environmental conditions and growth rate remain the same, how long would it take the population to increase to 156 birds?Equation for linear growth. Pt equal P0 plus parentheses GR multiplied by t parentheses. 0. 20 years 59. 60 years 5. 42 years 150. 58 years
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Farmer Joe raises milk cows. In order to increase efficiency, he chooses the cows that produce the most milk and only allows these cows to reproduce. This process is known asA. selective breeding.B. recombinant technology. C. Mendelian genetics.D. genetic engineering
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Calculate the percentage of mass remaining for samples what is the percent of mass remaining for sample a?a, b, and c to the nearest tenth of a percent. record thepercent of mass remaining in table a of your student
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Which choice describes what may happen if a predator species disappears from an ecosystem?.
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A claim for the cause of the uneven distribution of the earths copper deposits
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Darwin discovered that variations in genes better adapt some individuals to their environment. How does this relate to natural selection? A. They are more likely to survive, but would have more competition having those characteristics. B. They are more likely to survive, but less likely to pass along those genes to offspring. C. They are more likely to survive and reproduce, passing along those helpful characteristics. D. They are more likely to survive, and change during their lifetimes by selectively using or not using various parts of their bodies.
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The diagram shows three plant cells and the solute concentrations of their cell solutions. Explain how water will move between the cells and by which process.0.8%Cell two(0.7%Cell one0.6%Cell three
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The groups most susceptible to iron deficiency are?.
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The cell membrane surrounds and is a selective barrier for a cell. This means that it allows
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Which of the following is a benefit of renewable energy?O It is unlimited or quickly replenished.OIt costs less to use than fossil fuels.OIt is from clean energy sources.OIt uses man-made resources.
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During a routine medical checkup of pigs on a farm, a veterinarian finds a pig with a fatal, untreatable zoonotic disease. How should theveterinarian ethically resolve this case?
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Please help!!amplify science weather patterns chapter 1 lesson 1. 5 tab three answers
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30 POINTS 1. What is CRISPR?2. What are the two main components CRISPR uses?3. How would the ability to fix DNA errors affect the future of humans and plants?4. Why might this technology cause an ethical debate?5. Do you feel humans should have the ability to edit DNA? Why or why not?
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which of the following is an example of transmembrane transport? group of answer choices transport of a protein from the cytosol to the nucleus transport of a protein from the cytosol to the er transport of a protein from the golgi apparatus to the endosomes transport of a protein from the er to the golgi apparatus all of the above
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how does adding wolves help the ecosystem
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Can someone please unscramble this for me using all the letters it has to be science related and two wordsletters are in the comments
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