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2 votes
Scientists can tell whether organisms are closely related by comparing their

a. DNA
b. common name
c. teeth
d. hair color

2 Answers

5 votes

Answer:

I think it's a. DNA because they need to know their DNA to know what type of animal or organism it is.

Step-by-step explanation:

User Lhumanl
by
5.2k points
3 votes

Answer:

I'm pretty sure it's DNA

Step-by-step explanation:

User Anjan Kant
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4.7k points