How does this loss of energy impact the number of organisms at each level?

Energy is passed up a food chain or web from lower to higher trophic levels. However, generally only about 10 percent of the energy at one level is available to the next level. This loss of energy explains why there are rarely more than four trophic levels in a food chain or web.

Explanation:

hope this helps you!

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.

blah

explanation:

bc blah