How have scientist started to study relationships between different groups of organisms?

Biology

1 answer:

Delicious77 [7]3 years ago

7 0

<h2>Answer:</h2>

The scientist started to study relationships among various groups of organisms <u>C. by using genetic analyses</u>.

<h2>Explanation:</h2>

The following features were used to study about the relationships between different groups of organism:

External morphology
Similarities in structure
Genetic analysis
Chemical composition

The molecular similarities in the structure of RNA, DNA, and proteins help to establish the relationship of relationships between different groups of organisms. This was studied through testing the samples obtained by organisms using genetic analyses.

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