Answer:
The cell is the basic structural and functional unit of life. Cells are independent, single-celled organisms that take in nutrients, excrete wastes, detect and respond to their environment, move, breathe, grow, and reproduce.
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What is the basic unit of structure and function in plants and animals?
Cell Theory
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All living things are made of cells. The cell is the basic unit of structure and function in all living things.
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<h2>540 million years ago
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Paleozoic.
Era immediately follows Precambrian It lasted about 4.5 billion years.
When did abundant fossil evidence first appear in the geologic record.
540 million years ago.
C, doubling the mass, as the bigger the object, the more energy is stored. Would appreciate brainliest!