12/20 is the answer I think. I hope this helps you!!
Answer:
Explanation:
Because that’s the way it should be
I think if the whale population decreased the surface fish populations would decline due to reduced populations of algae. This can be simply explained by the fact that, if the whale population is decreased, it means that the nitrogen rich feces that is supply nutrients to the algae would also decrease and therefore decrease the population of the algae and as a result the population of of the surface fish would also decline.
<span>Eats plants only: Herbivore
Eats animals only: Cornivore
Eats plants and animals: Omnivore </span>
