1. 4 th Grade

2. The study of animals

3. An animal that has a vertebral column or backbone

4. A skeleton located inside the body

5. An animal that is warm- blooded Body temperature remains constant regardless of surrounding temperatures

6. An animal that is cold- blooded Body temperature changes to match the surrounding temperatures

7. Homeotherm Body temperature remains constant regardless of surrounding temperatures

8. Poikilotherm Body temperature changes to match the surrounding temperatures

9. An animal that does not have a vertebral column or backbone

10. A phylum of invertebrates with segmented bodies, jointed legs, & an exoskeleton They molt as they grow

11. A skeleton located outside the body

12. To shed the outer skeleton

13. A class of arthropods with 3 body segments, 3 pairs of legs, 1 or 2 pairs of wings, & 1 pair of antennae

14. A class of arthropods with 2 body segments, 4 pairs of legs, fangs, & no antennae

15. The changing of an animal’s body form during its life cycle

16. The young of amphibians and fish, like frogs The young of insects that go through complete metamorphosis, like butterflies & beetles

17. A young insect that looks like its parent but lacks some of the body parts it will have as an adult

18. The stage in complete metamorphosis where an insect’s body is changing completely & developing new structures

19. An animal that eats only plants

20. An animal that eats only meat (other animals)

21. An animal that eats plants and other animals

22. An animal that eats only dead plants & animals