A) extinct species
B) keystone species
C) endemic species
D) sacred species
Correct Answer: B
Solution :
A keystone species is a species that has a disproportionate effect on its environment relative to its biomass. Such species affect many other organisms in an ecosystem and help to determine the types and numbers of various other species in a community. A keystone species plays a critical role in maintaining the structure of an ecological community.
You need to login to perform this action.
You will be redirected in
3 sec
