1. Invertebrate's-Porifera
By: Gabe wagenman and evan barber

2. General description Pore bearers-feed of many pores instead of mouth
classified as animals 
multicellular, 
heterotrophic, 
lack cell wall
specialized cells.
Oldest members of the Animalia kingdom

3. Symmetry Only asymmetrical body plans
Spicules (tiny structural elements) make up the body structure of the sponge
Choanocytes are cells that line the interior of the sponge

4. Feeding Porifera's are filter feeders
THey feed on bacteria and other food particles
Filter feeder is feeding by filtering out plankton and other nutrients

5. Circulation
Diffusion- When the body acquires oxygen, diffusion takes place
Osculum- large aperture which expels water

6. Response No distinct nervous system No nerve cells No brain cells
Collagen- is protein found in skin and other connective tissue

7. MOVEMENT
Sponges are sessile organisms, meaning they stay in one place

8. Reproduction
Asexually R

9. Respiration No respiratory system
Oxygen gained from water passing through

10. Major Classes Calcarea or Calcispongiae:
Hexactinellida or Hyalospongiae:
Demospongiae: