Answer:
The principle of common descent states that every organism on the earth descended from a common ancestor. It is believed that prokaryotes were the first species to accumulate the earth and gave rise to eukaryotic species.
It also reflects how a particular group of organisms is similar because they arrived from a common ancestor in the near past. This principle depicts how numerous types of species are formed from a common ancestor.
The answer is A
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Answer:
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. ... Cells have many parts, each with a different function.
Explanation: