Answer:
The amount of energy at each trophic level decreases as it moves through an ecosystem. As little as 10 percent of the energy at any trophic level is transferred to the next level; the rest is lost largely through metabolic processes as heat.
Explanation:
D
Fossils tell us where they came from.
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1. DNA
2. RNA
3. Amino Acid
4. Protein
5. Genetic Expression
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this a test
Im not going to answer learn by yourself
