Which of the following is not an essential characteristic of a keystone species a. a relatively low abundance compared to other species in the community b. removal of the species leads to a large change in the community c. direct integration through competition or predation with every other species in the community d. a high impact on the community relative states population size

The answer is c. direct integration through competition or predation with every other species in the community.keystone species refers to a type of species that give a large amount of support for the ecosystem around them due to it's protective nature and does not necessarily have to be active in predation processexamples of a keystone species is mangrove that prevents the land on the shore from abration.

Breacking the law and lazy

They use the si unit, or metric system its all the same thing