Flea

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A flea (big picture; a flea is 0.06 in. or 0.1524 cm.)
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A flea (big picture; a flea is 0.06 in. or 0.1524 cm.)

A flea is an insect that lives on many different types of animals and sometimes humans. Fleas are considered parasites, and they feed off of the blood of the animal they bite.

Fleas can live outdoors in sand or tall grass, and they will jump to any passing animal and lay eggs. Flea bites are usually red bumps and they are very itchy. They can carry disease and make animals sick.

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