1. Take II

2. 3 Domains Highest level of organization Bacteria: prokaryotes Archaea: Live in extreme environments Eukarya: Protists, fungi, animals & plants

3. Bacteria

4. Archaea

5. Eukarya Plantae Protista Fungi animalia

6. Cnidarians Animals that use stinging cells to capture food and defend themselves Sponges Anemones Sea jellies

7. Flatworms Flatworms: tapeworms & planarians; These have a long, flat body Roundworms: nematodes: These have a long, round body Annelida: earthworm

8. Porifera Sponges: invertebrates with no body symmetry and no tissues and organs Sponges

9. Arachnids Arthropods with 2 body sections, 4 pairs of legs, and no antennae Examples: spiders, mites, scorpions and ticks

10. Crustaceans An arthropod with 2 or 3 body sections, 5 pairs on legs and 2 pairs of antennae Crabs & lobsters are examples

11. Molluscs Organisms with a soft body and a shell. Represented by snails and slugs

12. Bi-valves Mollusks with two shells Clams, oysters and mussels

13. Insects Arthropods with an external skeleton, segmented body and jointed attachments called appendages Cicada Butterfly grasshopper

14. Cephalopods An ocean dwelling mollusk that has adapted to form tentacles around its mouth. Squid, octopus and nautilus

15. Amphibians, fishes, birds, reptiles, marsupials, monotremes, and placental mammals

16. Animals that start their lives in water and then move onto land. Frogs, salamanders

18. Animals that are designed to conserve water from their skin, kidneys and eggs. Snakes Turtles Lizards Alligators and crocodiles

19. An endothermic vertebrate that has feathers and a 4- chambered heart. This animal also lays eggs. Eagle Duck Cardinal

21. There are 3 classes: Placental mammals: connect to their mothers via a placenta (humans, giraffes, bears) Monotremes: mammals that lay eggs (Platypus and 2 spiny anteaters) Marsupials: infant develops in a pouch (koala bear, kangaroos, opossums)

22. These are animals that obtain oxygen through their gills and live in water. Jawless fish have no jaws or scales: eels, lamprey, catfish Cartilaginous fish have jaws, scales and a skeleton made of cartilage; sharks, skates & rays Bony fish have jaws, scales a pocket on each side of the head (for holding the gills) and a skeleton of hard bones. This includes trout.

23. For the Re-take quiz Friday: You must know: What kind of animals are found in which class & What are the characteristics of animals in each class Hint: Look in your notes-you just wrote it down!