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20 Cards in this Set
- Front
- Back
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Organisms
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An individual living thing.
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Species
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A group of organisms that are able to reproduce together and that resemble each other in appearance, behavior, and internal structure.
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Population
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A group of individuals of the same species living in a particular place.
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Communities
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A group of interacting populations of different species.
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Predation
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The act of killing and eating another organism.
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Competition
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The relationship between species that attempt to use the same limited resource.
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Parasitism
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The relationship between a parasite and its host.
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Mutualism
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A relationship between two species in which both benefit.
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Commensalism
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Relationship between two species in which one species benefits and the other is neither harmed nor helped.
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Adaptation
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An inherited trait that increases an organism's chance of survival and reproduction in a certain environment.
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Evolution
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Change in the genetic characteristic of a population from one generation to the next.
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Natural Selection
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Term used to describe the unequal survival and reproduction of organisms that results from the presence or absence of particular inherited traits.
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Co Evolution
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Two or more species evolving in response to each other.
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Extinction
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The irreversible disappearance of a population or a species.
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Niche
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The way of life of an organism.
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Habitat
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Place where an organism lives.
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Prey
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Organism that is killed and eaten by a predator.
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Host
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Organism from which a parasite takes its nourishment.
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Parasites
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Organisms that lives in or on another organism and feeds on it without immediately killing it.
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Predator
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Organism that kills and eats another organism.
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