What are 5 facts about insects

1. the number of insect species is believed to be between six and ten million.
2. insect bodies have three parts, the thorax, abdomen and head.
3. Insects have two antennae.
4. Insects have three pairs of legs.
5. Some insects, such as gerridae (water striders), are able to walk on the surface of water.
-hope this helps

10 times (from 4000 micrometers to 400 micrometres )