This is my last question for the day.

What is the secondary consumer in this energy pyramid?

A. snakes

B. grasshoppers

C. mice

D. grasses

E. none of the above

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is

If a keystone species is removed from an ecosystem