Answer:A cell is the smallest unit of a single or multicellular organism. They provide energy for the body of a multicellular organism, and can be specialized by the body for 1 specific task or many.
Explanation:
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Answer:1 2 4 3
Explanation: These all have to change shape before new rocks are created
Answer: because the interactions between these organisms enable the cyclic flow of energy and nutrients in the ecosystem.
Explanation:
The environment was a tropical ocean
<span>They use a chemical energy called ATP</span>