1. INVERTEBRATES ANIMALS WITHOUT BACKBONE.

2. PORIFERA SPONGE The common name is: Sponges. ● Pores. ● Osculums. ● Choanocytes. Their body is soft .

3. CNIDARIA JELLYFISH The common name is: Jellyfish or polyps . ● Stinging tentacles. They live in colonies. Their body is like an umbrella or a sack .

4. ANNELIDS WORM ● Clitelium. We find three groups: -Polychaetes. -Tubifidis. -Hirudinea.

5. MOLLUSCS SQUID They have a shell that protects themselves We find three groups: -Gastropods. -Cephalopods. -Bivalves.

6. ARTROPODS BEE Their body is divided in: head , thorax and abdomen. We find: - Crustaceans . - Myriapods . - Arachnids . - Insects .

7. CRUSTACEANS SHRIMP Their body is divided in: cephalothorax and abdomen . They have two legs on each segment. They can have a telson .

8. MYRIAPODS ESCOLOPENDRA Their body is divided in: head and trunk . They have one or two pairs of legs on each segment.

9. ARACHNIDS SPIDER Their body is divided in: cephalothorax and abdomen . They have eight legs, four in each side. They also have cheliceare .

10. INSECTS BUTTERFLY Their body is divided in: head , thorax and abdomen . They have six legs, three in each side. And they can have wings.

11. ECHINODERMS STARFISH ● Ambulacral system. ● Internal skeleton.

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