Animals

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competition

two or more organisms fighting for one thing.

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evolution

changing of organisms over time.

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natural selection

better adapted organisms surviving and passing on its useful characteristics.

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photosynthesis

the chemical process where plants use their adaptions to make food.

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Gene

A short section of DNA that controls your characteristics

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variation

Differnces in organisms due to differnt genes

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inherited variation

the genes inherited from your parents that can't be affected by the environment

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environmental variation

differences caused by the environment

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classification

sorting of species into groups of the same characteristics

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five animal groups

reptile (dry skinned vertebrate), mammal (haired vertebrate, live young), bird (flying vertebrate), amphibians (cold blooded vertebrate) and fish (lives in water)

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twins

two organisms with identical DNA

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selective breeding

two same species organisms with desirable characteristics bred together to create suitabl offspring

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