C. Would be the right answer!!!!!!
Answer:
Energy
Explanation:
An energy pyramid shows the amount of energy available at each feeding level in an ecosystem.
I think it's c: Quantity A is weight & Quantity B is mass
<span> A scientific law always applies under the same conditions, and implies that there is a causal relationship involving its elements.</span>
Fixed action patterns are <span>behaviors that follow a fixed, unvarying pattern and are used in accordance to studying animals and their behaviors to both the environment and each other. </span>
