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Species Adaptations

7.11BC/.12A Adaptations of Species

TermDefinition
Physiology The study of internal and external functions of living systems.
Trait A characteristic of an organism; can be genetic or acquired.
Population A group of interacting individuals of the same species located in the same area.
Adaptation A process by which a population becomes better suited to its environment by increasing the frequencies of alleles that provide benefits to survival and reproduction.
Variation The occurrence of an organism, trait, or gene in more than one form.
Generation Organisms of the same species that are at the same level of descent from a common ancestor; a parent is a member of one, and its offspring are members of the next.
Natural Selection A process by which organisms with favorable traits produce more successful offspring than organisms with less favorable traits, causing the favorable traits to become more common in the population.
Migration Movement to a different geographical region where conditions are more favorable.
Hibernation A slowed physiological state of an organism to survive long periods of cold temperature or reduced food supplies.
Selective Breeding A form of artificial selection whereby deliberate breeding results in desired traits in plants or animals.
Inherited Trait A characteristic that is passed from parent to offspring.
Acquired Trait A trait that is not in your genes but is picked up from environmental factors.