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Adapt. & Nat. Select
Term | Definition |
---|---|
Evolution | A change in species over time. |
Natural Selection | Organisms who are best adapted to their environment survive. (“Survival of the Fittest”) |
Variation | Differences within individuals of the same species. |
Trait | A characteristic or feature of an organism. (fur color, beak size or shape, and claws) |
Inherit | Physical features that kids get from their parents. |
Fitness | Traits that allow an organism to do well in its environment and survive long enough to reproduce. |
Structural Adaptation | One type of adaptation where a physical feature helps an organism survive. |
Body parts and structure | An example of a structural adaptation where different structures in armor, claws, beaks, feet are all examples. |
Camouflage | An example of a structural adaptation where you blend into your surroundings. |
Chemical Defense | An example of a structural adaptation where animals use ink, venom, or sprays to get rid of predators and attackers. |
Countershading | An example of a structural adaptation where organisms have lighter bellies and darker backs. |
Disruptive coloration | An example of a structural adaptation that uses stripes to blend in. (tigers and zebra) |
Behavioral Adaptation | One type of adaptation where an action an organism takes helps it survive. |
Hibernation | A Behavioral adaptation when an animal is in a state of no activity and slowed metabolism. During winter or a drought. |
Instinctive Adaptations | An example of a behavioral adaptation that you are born with and happens naturally. |
Learned Adaptations | An example of a behavioral adaptation that you get from habit or conditioning. |
Migration | An example of a behavioral adaptation when an animal moves from one area to another. |
Mimicry | An example of a structural adaptation to look or sound like a harmful organism in order to survive. |