How Do Animals Grow?

What is the main idea of the passage?

• Some animals die after a few days

• Many animals lay eggs.

• Every animals has a life cycle.

• Some animals go through direct development

Animals such as ____ may go through complete body changes.

• dogs

• frogs

• birds

• humans

Which kinds of animals are born live?

• Mammals

• Reptiles

• Birds

• Amphibians

What does develop mean?

• Go through

• Hatch

• Grow

• Start

Birds usually lay their eggs in ____.

Mammals' faces ____ as they grow older.

Fruit flies become adults after around ____ days.