The Animal Kingdom PBS.org Shape of Life

Kingdom Animalia Two main groups Invertebrates – no backbone (spine) Vertebrates – backbone (spine) Did you know: ~95% of all animal species are classified as INVERTEBRATES!!! Can you list the general characteristics?

General Characteristics: Eukaryotic, Multicellular Heterotrophs Most capable of locomotion No cell wall Most have nervous and muscle tissue Store their excess carbohydrates as glycogen What does Mr. Anderson think

Invertebrates Biology 11

Phylum Porifera: sea sponges

Phylum Cnidaria Stinging celled animals cnidocytes

Phylum Platyhelminthes Flatworms Website

Phylum Mollusca Soft bodied animals

Phylum Echinodermata Spiny-skinned animals

Phylum Arthropoda Jointed limb animals chitinous exoskeleton.

Phylum Annelida Level of organization - They exhibit organ- system level of body organization and bilateral symmetry. Circulatory system is closed. Reproduction is sexual.

Phylum Nematodes Round Worms

Phylum Chordata All Vertebrates belong to Phylum Chordata General characteristics: (at some point in their life) Have a notochord Hollow dorsal nerve tube Tail Muscular tube called a pharynx Pharynx has slits at some point

Vertebrates Sub-phylum Vertebrata Fish Amphibians Reptiles Birds Mammals