1. Which statement is true?
A. Fossils cannot provide information about relatedness of life forms.
B. Fossils can provide information about when life forms existed.
C. Fossils cannot provide information about life cycles and behaviors.
D. Fossils can provide information about the entire evolutionary process of life forms.
Answer is B.
2. Based on the phylogeny shown above, you can conclude that species 4 is most closely related to species ________.
A. 1
B. 2
C. 5
D. 1 or 3 (Can't tell)
Answer is 3.
3. For decades, scientists relied on the fossil record and comparative anatomy to assemble evolutionary lineages.
Which statement describes a limitation of these methods?
A. They cannot be used to determine when species evolved.
B. They can show false relationships between organisms that are not reflected in the DNA
C. They are not reliable evidence of how the body structures of organisms evolved.
D. They are no longer relevant because the fossil record is complete.
Answer is B.
4. Which statement about evolution is accurate?
A. Living things have adapted and changed over time for specific, discoverable reasons.
B. DNA is the only extant evidence supporting the theory of evolution.
C. Scientists no longer study evolution because it has been proven.
D. Animals, plants, and microbes have their own separate, unrelated ancestries.
Answer is A.
5. Chimpanzees, chickens, cows, and human beings all share a gene for an insulin hormone. What does this suggest?
A. This suggests that two of these species share a common ancestor.
B. This suggests that none of these species share a common ancestor.
C. This suggests that three of these species share a common ancestor.
D. This suggests that all of these species share a common ancestor.
Answer is D.
These are all the correct answers for anyone that needs them. Hope this helps! :)
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