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It’s Alive!

A colorful hummingbird hovers in front of a flower with its wings spread wide.
JEFF R. CLOW—GETTY IMAGES

Living things are all around. Bumblebees buzz by. A bird finds a worm. Flowers bloom. These are all living things. Learn what all living things have in common.

Living things move.

White flowers reach toward the sun in a grassy field.
MARTIN STEINTHALER—GETTY IMAGES

Giraffes walk. Seals swim. Moths fly. These flowers tilt toward the sun.

Living things need energy.

A spotted caterpillar crawls along the edge of a green leaf.
MIKROMAN6—GETTY IMAGES

Animals eat food. Plants make their own. This caterpillar is munching on a leaf. The leaf gives it energy to move and grow.

Living things grow.

A health worker measures a child's height.
EDGAR BARRAGAN JUAREZ—GETTY IMAGES

How tall are you? People get taller as they get older. Their bodies grow bigger. Living things grow to adulthood.

Living things reproduce.

A baby elephant stands close to an adult elephant in a grassy field.
1001 SLIDE/GETTY IMAGES

That means they make more of their kind. Animals have babies. Plants grow new plants.