An insect is a very small animal with particular characteristics:
- Insects are invertebrates. They have no backbones.
- Most insects walk, but some can fly and jump.
- Insects need water, air, and food to live.
- A four step life cycle is known as a complete metamorphosis.
- The Life Cycle of an insect has four stages:
- egg
- larva
- pupa
- adult.
- Most insects have five basic physical characteristics:
- Insects have what we call an exoskeleton or a hard, shell-like covering on the outside of its body.
- Insects have three main body parts: head, thorax, and abdomen.
- Insects have a pair of antennae on top of their heads.
- Insects have 6 legs (three pairs). They use the legs for walking, but sometimes an insect may have a pair of legs that are specially designed for jumping.
- Insects have two pairs of wings.
- Some insects are helpful to people.
- Some insects are harmful to people.
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