Examlex
Price leadership in an oligopoly entails an implicit or tacit form of collusion.
Indicator Species
Organisms used as a sign or measure of the environmental conditions or changes in an ecosystem because of their sensitivity to such conditions.
Endemic Species
Species that are native to a specific geographical area and are not naturally found anywhere else.
Keystone Species
A species crucial for the stability of an ecological community, influencing numerous other organisms within the ecosystem.
Coevolution
The process by which two or more species evolve in response to each other, often developing mutualistic or predator-prey relationships.
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