1. Features of Animals A14-17 LS-E-B2; LS-E-A3; LS-E-A4

2. Study Guide 1. What is a simple animal? (A14) A simple animal has many cells but few body parts. Give examples: sponges, worms

3. 2. What is a complex animal? (A 14) A complex animal has many body parts. Example: a snail

4. 3. What is a sponge? A14 A sponge is one of the simplest animals. A sponge has a bag shaped body. Two cell layers make up the body of the sponge.

5. Purple Tube Sponge

6. A sponge garden under the water

7. A Natural Sea Wool Sponge

8. Barrel Sponge

9. 4. Why is a snail considered a more complex animal than a worm? A15 Snails are considered more complex animal because They have bodies made of many parts (shell, head, sense organs, mouth). complex

10. Worm Dissection No backbone- few parts - simple

11. 5. Animals can be divided into two groups according to structures that support their bodies. Name the two groups.A16 The two groups are vertebrates and invertebrates.

12. 6. Define Vertebrates.A16 Vertebrates are animals with backbones.

13. Three examples of vertebrates. 1. Birds

14. 2. Snakes (Vertebrate)

15. 3.Humans (vertebrates)

16. 4. Bats-vertebrates

17. 7. Define invertebrates and give three examples. A 16 Invertebrates are animals without backbones. An outer covering, such as a shell usually supports its body. This is called an exoskeleton.

18. Lobster Exoskeleton-no backbone

19. Spider Exoskeleton – no backbone

20. What does exoskeleton mean? It is an external skeleton found in an invertebrate. This definition is not found in the book.

21. The name of the largest group of invertebrates is: (A16) Arthropods

22. More Arthropods

24. Define arthropods. Give 3 examples. A16 Arthropods have legs with several joints and they do not have a backbone. Example: ants, spiders, crabs

25. Ants-legs with joints, no backbone arthropod

26. Spider- legs with joints, no backbone arthropod

27. Crab- legs with joints, no backbone arthropod

28. 11. Name the only mammal that flies. A17 Bat

29. 12. What is the name of the group of animals that have a backbone, an internal skeleton, fur, and they give birth to live young? Mammals (Not in book)