1. Overview of Animals

2. Animals are… Eukaryotes Multicellular Consumers

3. Invertebrates vs. Vertebrates So what is the difference? Vertebrates have a backbone while invertebrates do not.

4. Bilateral vs radial symmetry Bilateral-2 halves Radial-arranged around a circle

5. Invertebrate-Phylum Porifera Ex: Sponges Body is filled with pores to filter food from water

6. Invertebrates-phylum Cnidaria Ex: jellyfish, hydra, sea anemone Have stinging cells called nematocysts

7. Invert.-phylum platyhelminthes Ex: planaria, tapeworm Flat body First animal with a primitive brain

8. Invert-phylum Nematoda Ex: hookworm Round body First animal to have a digestive tube

9. Invert-phylum annelida Ex: earthworm, leech Segmented bodies Closed circulatory system

10. Invert-phylum echinodermata Ex: Sea urchin sea star Spiny skin

11. Invert-phylum mollusca Ex: clam, squid, octopus, snail Soft body often covered by a hard shell.

12. Invert-phylum arthropoda Ex: insects, spiders, crabs, lobsters Hard exoskeleton Segmented body Jointed appendages

13. Vertebrates Phylum Chordata

14. Cartilaginous Fish: Class chondricthyes Ex: sharks, skate. rays Cold-blooded Gills for breathing Fins for swimming Skeletons are made of cartilage

15. Bony Fish: Class Osteichtyes Ex: salmon, rockfish, flounder, tuna Cold-blooded Gills for breathing Fins for swimming Skeletons are made of bone.

16. Amphibians: Class Amphibia Ex: salamanders, frogs, toads Cold-Blooded First part of life is in the water as a tadpole. Have lungs and breathe through skin

17. Reptiles: class reptilia Ex: lizards, snakes, crocs & gators, turtles Cold-Blooded Scaly skin to prevent drying out. Amniotic eggs with a shell.

18. Birds: class aves Ex: ostrich, chicken, eagle, hawk Warm-blooded Four-chambered heart Hollow bones reduce weight Feathers.

19. Mammals: class mammalia Ex: whale, wolf, bats, rodents Warm-blooded Fur or hair Live birth. Nursing