Answer: Cell
Explanation: Cells the structural and functional unit of living organisms. They are the building blocks of all living things. Humans are made of several billions of cells. Cells provide structure for the body, cells take in nutrients, convert the nutrients to energy to perform its functions.
Answer:
The total amount of matter on Earth constantly increases.
Explanation:
This is because there are always new things taking birth every second and they have matter in them, so the matter is increasing constantly.
Answer:
A.Fossilization
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Answer: Spallanzani's experiments concerning spontaneous generation were NOT universally accepted because <u><em>He eliminated air from his flasks by sealing them</em></u>.
Explanation:
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D, fertile offspring most likely means same species