BIOLOGY 1M03 Lecture 35: Lecture 35
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Review session: thursday chester new hall (check avenue for time) Community: a group pf individuals of different species living in the same place at the same time. We can categorize interactions if it has a + , - , or neutral outcome for the species involved. Natural enemies: + - predator / prey host / parasite: one loses tness by being involved in the interaction, whereas the other gains tness. Commensalism: + 0 one species bene ts and the other isn"t affected ex. bacteria in your gut, not helping or hurting you but we provide them with a good environment to live in. Mutualism: + + both organisms bene t from the relationship ex. Usually because of some type of resource competition at rst. Species a like smaller seeds and species b like bigger seeds but to some extent they try to eat the same thing at the same time. (this is niche overlap)
