1What are the main features of Annelida? Give two examples.
2Why is being divided into segments such an important idea?
3How do earthworms help a farmer?
4What is an exoskeleton, and what problem does it create?
5Why is there no insect the size of a dog?
6What is a compound eye, and why does it make a fly so hard to swat?
7A snail and an octopus are in the same group. Explain the different choice each has made.
8Why does a starfish have no head?
9Name all nine invertebrate groups in order.
10You find a small animal in the garden. Which two questions would you ask first, and why those two?