Answer:
10% of an animals energy gets gained as you move up the food chain. the rest of that (the 90%) is used for metabolic processes or given off to the environment as heat.
Explanation:
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<span>demosponges are no longer a current living sponge</span>
<span>The lowest quantity of energy that the reacting species must possess in order to undergo a specified reaction.</span>
<span>If unprotected cells are exposed to salt, or a salt water solution where the concentration of the salt is greater than the concentration in the cellular fluid; the water in the cells will be drawn out, "shrivelling" the cell.
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(Re-post)