Which level of an energy pyramid is most likely to have the highest number
of organisms?

Number of Organisms at the level of producers (First level) is more and hence the availability of energy also will be more at the level of producers. Amount of energy available decreases as we you move from the level of producers to the top carnivores.

Explanation:

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles

answer: b

coz red blood cells marrow and circulates the body for 120 days.