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7th Grade B3T3L1

7th Grade Science Book 3 Topic 3 Lesson 1

TermDefinition
Natural Selection Is a process of a characteristic that makes an individual better suited to a specific environment may eventually become common in that species.
Niche Is a role of an organism in its habitat.
Abiotic Factors Are non living parts of an organism’s habitat.
Biotic Factors Parts of a habitat that are or were once alive and that interact with an organism.
Competition The struggle between organisms to survive as they use the same limited resources.
Predation An interaction in which one organism kills another for food or nutrients.
Predator An animal that hunts other animals for food.
Prey An animal that is hunted by other animals for food.
Adaptations Ways all species have to support their survival in their environment.
Symbiosis Is any relationship in which two species live closely together.
Commensalism Is a relationship in which one species benefits and the other species is neither helped nor harmed.
Mutualism Is a relationship in which both species benefit.
Parasitism Is a relationship that involves one organism living with, on or inside another organism and harming it.
Created by: Mrs.ThompsonYSD
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