7.11BC/.12A ADAPTATIONS OF SPECIES
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| PHYSIOLOGY | Study of internal and external functions of living systems.
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| TRAIT | Characteristic of an organism; can be genetic or acquired.
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| POPULATION | Group of interacting individuals of the same species located in the same area.
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| ADAPTATION | Process by which a population becomes better suited to its environment by increasing the frequencies of alleles that provide benefits to survival & reproduction.
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| VARIATION | Occurrence of an organism, trait, or gene in more than 1 form.
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| GENERATION | Organisms of the same species that are at the same level of descent from a common ancestor; a parent is a member of 1, & its offspring are members of the next.
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| NATURAL SELECTION | Process in which organisms w/favorable traits produce more successful offspring than organisms w/less favorable traits, causing favorable traits to become more common in the population.
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| MIGRATION | Movement to a different geographical region where conditions are more favorable.
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| HIBERNATION | Slowed physiological state of an organism to survive long periods of cold temperature or reduced food supplies.
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| SELECTIVE BREEDING | Form of artificial selection whereby deliberate breeding results in desired traits in plants or animals.
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| INHERITED TRAIT | Characteristic that is passed from parent to offspring.
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| ACQUIRED TRAIT | Trait that is not in your genes but is picked up from environmental factors.
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| HYBRID | Offspring resulting from the cross of 2 different species or subspecies.
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| XYLEM | Vascular tissue that carries water upward from the roots to every part of a plant.
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| PHLOEM | Vascular tissue that carries food in plants.
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| STRUCTURAL (PHYSICAL) ADAPTATION | Physical feature of an organism's body that has a specific function that contributes to the survival of the organism.
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| BEHAVIORAL ADAPTATION | Something an animal does that helps it survive.
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| PHYSIOLOGICAL ADAPTATION | Internal systematic responses to external stimuli in order to help an organism maintain homeostasis.
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