Down
| 1. | Invertebrates with legs that have several joints, including ants, crabs, and spiders. |
| 2. | An organ that allows animals, such as fish and frogs, to breathe underwater. |
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Across
| 3. | The part of an animal's body that contains its digestive and reproductive organs. |
| 4. | The small, flat plates that make up the outside covering of most fish and some reptiles. |
| 5. | A hard, outer covering that protects some animals such as snails and turtles. |
| 6. | Animals that do not have a backbone, including insects, lobsters, snails, starfish, and worms. |
| 7. | Colors, patterns, and shapes that are used by animals to help them blend in with their surroundings. This allows animals to hide from their enemies and predators. |
| 8. | The hard, protective outer body covering over invertebrate animals, such as insects and crabs. |
| 9. | Light, flat structures that cover and protect a bird's skin and allow a bird to fly. |
| 10. | The appearance of an animal that makes it look like something else, such as something poisonous. This allows the animal to confuse its predators. |
| 11. | The middle section of an insect's body where its wings and legs are attached. |
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