The cell wall should be the outer layer of the cell. Where the flagellum connect to.
A combination of two or more metals is called and Alloy.
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they use it to determine whether or not the animal is related by the bone structure and the structure of the body
Answer:
Anatomy. 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 ...
Biogeography ...
Fossils ...
Direct observation
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