Question

question 4 1 pts a single kind of organism or a small collection of different kinds of organisms that occupy a vital ecological niche in a given location is called a ____________. keystone species primary predator top - down control bottom - up control

Explanation:

A keystone species is a species that has a disproportionately large effect on its environment relative to its abundance. It can be a single - kind or a small collection of organisms occupying a vital ecological niche. Primary predator refers mainly to the top - level predator in a food chain. Top - down control and bottom - up control are ecological concepts related to the regulation of ecosystems, not the description of a species or group of species in an ecological niche.

Answer:

A. Keystone species