The answer is D, The structure was probably functional in some ancestor of the modern organism. Vestigial structures are structures that have remained from ancestors but have no function in modern times.
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Answer:
they are called autotrophs...
Explanation:
Autotrophs, which also called producers are the organisms which are able to produce the more complex substances like proteins fats and carbohydrates from what is around them (the sun and also carbon dioxide and water...)
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Answer:
In the eukaryotic cell division the cell synthesizes mRNA and proteins in preparation for subsequent steps leading to mitosis.
a windmill collects energy from the wind