1. 9 Phyla of the Animal Kingdom

2. Common Animal Phyla Characteristics
Multicellular (many cells)
Eukaryotic (cells contain nucleus)
Heterotrophic (must eat)
Lack cell walls
Move
34 Total Animal
Phyla

3. Types of body symmetry Asymmetry No symmetry Radial symmetry
Circular shape
Bilateral symmetry
Identical right & left halves

4. Levels of Organization
Cellular:
Simplest animals are made of independent cells
Ex: Sponges
Tissue:
Cells work together to form specialized tissues like muscle tissue
Ex: Jellyfish
Organs:
Tissues work together to form organs; that do a specific job
Ex: Turtles have lungs.

5. Phylum Porifera Found only in water
Saclike bodies with many pores for feeding
Simplest phylum
Asymmetrical
Organized into Cells
EX: Sponges

6. Phylum Cnidaria Have stinging tentacles Radially symmetrical
Organized into tissues
Ex: Sea anemones

7. Phylum Platyhelminthes
Mostly parasitic
Bilaterally symmetrical
Complex tissues: nerves and brain
Ex: Flatworms &Tapeworms

8. Phylum Nematoda Bilateral Symmetrical Organized into Tissues
Ex: Round worms & Hook worms & Pinworms

9. Phylum Mollusca Soft body, occasional hard shell Simple organ systems
Ex: Clams

10. Phylum Annelida
Segmented body (divided sections) worms
Ex: Earthworms

11. Phylum Arthropoda Have jointed appendages Have an exoskeleton & molt
Biggest phlum
Ex: ALL insects

12. Phylum Echinodermata Spiny skin Radially symmetrical
Well developed organs
Can regenerate
Ex: Starfish

13. Phylum Chordata Most advanced animals
Internal skeleton and spinal cord
Bilaterally symmetrical
Example
Fish (bony and cartilage)
Amphibians
Reptiles
Mammals
Birds
All reproduce sexually