Across
- 1. The mouth parts of spiders that look like claws and help them eat.
- 5. The early stage of an insect that looks different from the adult.
- 6. A hard outer covering that protects the body of some animals.
- 8. An extinct group of sea creatures called trilobites that had three main body parts.
- 11. The young, water-living stage of some insects before they become adults.
- 13. The stage in some insects where they are in a protective case and changing into an adult.
- 14. Having a body divided into sections, which is a key feature of arthropods.
- 17. A simple eye on some arthropods that helps them detect light.
- 19. When a species has separate male and female individuals.
- 21. The process where an insect changes from a larva into an adult.
- 22. A group that includes insects and other arthropods with single, unbranched legs.
Down
- 1. The front part of some arthropods where the head and body are joined together.
- 2. A group of arthropods known as millipedes that have two pairs of legs on each segment of their body.
- 3. A big group of animals with exoskeletons, like insects and spiders.
- 4. This isn’t a common term; it might refer to green areas with lots of plants.
- 7. A small opening on the body of some arthropods that lets them breathe.
- 9. A young insect that looks like a smaller version of the adult and doesn’t go through a complete metamorphosis.
- 10. A part of the body that sticks out, like legs or arms.
- 12. A stage in an insect’s life cycle between molts when it grows.
- 15. Chemicals that animals release to communicate with others of their kind.
- 16. When an arthropod sheds its old shell to grow bigger.
- 18. A class of animals like crabs and lobsters that usually live in water and have hard shells.
- 20. A tough material that makes up the shell of insects and other arthropods.
