The final species interaction we will discuss is symbiosis, or the interaction where two species live in the same location, and one or both receive a benefit from the other. Under this definition, predation could also be considered a type of symbiosis.n fact, as you will see below, one of the types of symbiosisâ parasitism âis actually just a special form of predation. Despite this, ecologists generally classify predation and symbiosis as two different kinds of interactions. Donât ask us why.
Annihilation definition, an act or instance of annihilating, or of completely destroying or defeating someone or something: the brutal annihilation of millions of people. See more.
extinction. 1  the act of extinguishing. 2  the fact or condition of being extinguished or extinct. 3  suppression; abolition; annihilation: the extinction of an army. 4  Biology. the act or process of becoming extinct; a coming to an end or dying out: the extinction of a species. 5. Psychology. the reduction or loss of a conditioned response as a result of the absence or withdrawal of reinforcement. 6. Astronomy. the diminution in the intensity of starlight caused by absorption as it passes through the earth's atmosphere or through interstellar dust.