Examine the amino acid sequences from three organisms (A,B and C). Which two organisms are the most closely related? Organism A: Val-Ser-Thr-Val
Organism B-Ala-Leu-Ala
Organism C: Val-SerAsp-Met point)
A and B
They are all equally related.
B and C
A and C
ive got the answers for you.
Biological Evolution Unit Test-
1. A and C
2. B,A,C humans
3. Mammals have more genes in common with birds than with amphibians
4. The cells of the eye in embryos of gorillas …
5. homologies; from the same common ancestor
6. These species share a common ancestor
7. Fossil B is most likely older than Fossil A
8. All vertebrates develop a backbone that protects the spinal cord
9. fossils
10. the mutated sequence still codes for the same amino acid
11. embryological development
12. DNA molecules
13. embryos go through various stages that suggest …
If you need help with the essay questions:
14) If they were to find a living creature some place other than Earth, how could DNA analysis help them better understand the organism? Explain in 1–2 sentences.
- DNA could help them understand the organism because they would be able to figure out if they share an ancestor with another animal. DNA can also help point out a new species of animals and how this species evolved.
15) Why is evolution so crucial for understanding biology? Explain your answer in 1–2 sentences.
- Evolution is vital in biology because it helps people understand the extinct ancestors of all species.
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