Pictures of Sponges

Kingdom….Animal Phylum…Porifera  Sessile……when an adult  Porous bodies  Aquatic environment  Filter feeders  Water pollution indicators  Radial or asymmetric symmetry  Most primitive and simplest animal

Yes…There are more  Sexual reproduction  Asexual Reproduction…budding  Many are colonial

More General Characteristics   One large top opening

Examples of Sponges

More Sponge Examples

Kingdom…Animal Phylum…Cnidarian General Characteristics  Stinging cells and tentacles  Partially sessile  One opening to take in food and excrete waste (MOUTH)

More General Characteristics  Habitat ….. fresh and ocean waters  Reproduction sexual  Reproduction asexual…budding  Can be hermaphroditic or separate sexes

More Characteristics  Two Body forms….polyp and medusa  Soft bodies  Radial Symmetry  Primative tissues

Polyp Forms

Medusa Form

Insides of a hydra

Sea Anemone Flowers of the Sea

Cnidarians insides

Budding Hydra

Ecology  Food for other organisms  Sponge…pollution indicator  Habitat for smaller organisms