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.

Question

Biology

Joy Farmer

8 April, 03:19

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.

+3

Answers (2)

Know the Answer?

Melody Mcconnell · Answer 1

Melody Mcconnell 8 April, 05:45

0

The answer should be D

Phillip Holland · Answer 2

I'd go with D.

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.

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.

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.