Animal phyla

3. This is a group of tissues functioning together for a common purpose.
5. In this phylum, the larvae are bilaterally symmetric but the adult is radially symmetric.
7. An internal structure that digests and processes food.
9. The cerebral ganglion acts as this organ in an earthworm.
10. An organelle found only in cnidarians.
13. The type of symmetry where the top is the same as the bottom
15. An animal without a spinal column
16. A parasitic tapeworm
18. These two basic forms are found in organisms within this phylum: medusa and polyp.
19. This is the carbohydrate that an insect's exoskeleton is made of.
22. An organism that does not move.
25. The type of metamorphosis that includes a larval and pupa stage.

1. Almost all mollusks have this type of circulatory system.
2. The phylum that includes sponges
4. This is the reason why insects molt.
6. The organism that we talked about in which you are most afraid.
8. Organisms that live on land.
11. A water vascular system is a series of this connected to one another throughout the animal to allow water to flow.
12. This is a group of cells that perform the same function.
14. The number of animal phyla that are invertebrates
17. Radial symmetry is only found in these types of organisms.
20. This animal has three body parts: head, thorax, abdomen.
21. This is the type of symmetry where the right half is the same as the left half.
23. A network of proteins and molecules that hold all cells of an animal to one another.
24. Almost all animals store excess energy in this form.