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swat32
2 years ago
5

Evolutionary relationships between organisms are determined by.

Biology
2 answers:
Georgia [21]2 years ago
4 0

Answer:

hope you like it

Explanation:

A molecular clock determines evolutionary relatedness by examining how many mutations or random changes in DNA, there are between two organisms. When we map the relatedness of different organisms, we are creating a phylogenetic tree. At some point, all organisms that are alive today shared a common ancestor.

sweet-ann [11.9K]2 years ago
3 0
A molecular clock determines evolutionary relatedness by examining how many mutations or random changes in DNA, there are between two organisms. When we map the relatedness of different organisms, we are creating a phylogenetic tree. ... At some point, all organisms that are alive today shared a common ancestor.
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How do antigens and antibodies interact? PLEASE HELP NO LINKS PLEASE
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Explanation:

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Antibodies attach to a specific antigen and make it easier for the immune cells to destroy the antigen. T lymphocytes attack antigens directly and help control the immune response. They also release chemicals, known as cytokines, which control the entire immune response.

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3 years ago
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dlinn [17]

Answer:

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Explanation:

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7 0
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D would be the correct answer
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BlackZzzverrR [31]

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shutvik [7]
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