Biology Terms and Concepts

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Life cycle

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The entire sequence of stages in the life of an organism, from the adults of one generation to the adults of the next.

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Metamorphosis

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A complete change or transformation (in biology, a change such as a caterpillar becoming a pupa and then a butterfly).

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Seed

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The plant structure that contains a young plant inside a protective covering.

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Seedling

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A small plant that is just starting to grow.

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Germinate

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To begin to grow (used of a seed).

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Sprouting

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Producing new leaves, shoots or buds; beginning to grow.

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Complete Metamorphosis

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A change in a body form that has 4 stages: egg, larva, pupa, adult.

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Larvae

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Immature insects that do not look like adult insects.

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Pupa

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The third stage of complete metamorphosis, in which an insect changes from a larva to an adult.

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Nymph

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A stage of gradual metamorphosis that usually resembles the adult insect.