Agrass starts with 30,000 kj of energy. how much energy would a cheetah acquire after it ate a zebra that consumed the grass?

300 KJ

Explanation:

As per the given details following food chain is formed -

Grass ---> Zebra -----> Cheetah

In a food chain, all the organism belong to a trophic level. The amount of energy passed on from one trophic level is just % of the energy at its previous trophic level.

By this concept, when zebra eats the grass, only % of energy of grass is transferred to zebra.

Thus, the energy obtained by zebra after eating grass KJ

KJ

When cheetah eats zebra , % of energy of zebra is transferred to Cheetah.

Thus, the energy obtained by Cheetah after eating zebra KJ

KJ

as many times as you want

there really is life in the deepest part