Question

what is biological surplus?
the necessary population increase for a species to be removed from the endangered species list
the number of animals in a population beyond the carrying capacity
the amount by which the number of young exceeds the adult population in an area after birthing season
the population of invasive species—both animals and plants—in a given area

Explanation:

Biological surplus refers to the number of individuals in a population that exceeds the carrying - capacity of the environment. The carrying - capacity is the maximum number of individuals of a species that an environment can sustain indefinitely. When the population size goes beyond this limit, it is considered a biological surplus.

Answer:

The number of animals in a population beyond the carrying capacity