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Which is the best evidence that two species have a common ancestor? A:The two species have the same diet. B:The two species live in the same habitat. C:The two species' skeletal structures are 90% identical.
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5 votes
Which is the best evidence that two species have a common ancestor?

A:The two species have the same diet.



B:The two species live in the same habitat.



C:The two species' skeletal structures are 90% identical.



D:The two species' DNA sequences are 90% identical.

User Austin Salonen
by
3.5k points

2 Answers

2 votes

Answer:

I'd go with D.

Step-by-step explanation:

Species may share similar physical features because the feature was present in a common ancestor (homologous structures). Molecular biology. DNA and the genetic code reflect the shared ancestry of life. DNA comparisons can show how related species are.

User Cornwell
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3.6k points
6 votes
The answer should be D
User Bogdan Kulynych
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3.3k points
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