police Bihar Police Forest Guard Mock Test Series 2020 General Knowledge Ecology and Environment Ecology and Functions of an ecosystem
Keystone species are:
1
Community at the equilibrium state with the environment.
2
Species that have significant effect on energy flow and structure of their Communities.
3
Species that influence its Community by creating, modifying, or maintaining physical habitat for itself and other species.
4
Species that arrive to inhabit areas first where no life existed earlier.