1. Invertebrate Phylum:
(Sponges)
PORIFERA

2. Vocabulary
Porifera = "pore-bearing”; eat, excrete, & reproduce through pores
ostia = pores for water to enter
osculum = pores for water to exit

3. Vocabulary collar cells = cells to move water and catch food
spicules = calcium carbonate or silica skeleton
amoebocytes = cells that digest, store, and transfer food

4. Characteristics * Asymmetrical body plan * Brown/gray to red
* Tubes with channels and chambers
* Specialized cells

8. Reproduction
* Sexual - produce egg and sperm (cross and self fertilization) Larvae with flagella attaches and grows
* Asexual - budding and regeneration

9. Habitat * Aquatic (marine and fresh water)
* Sessile-adults are nonmotile
Vase Sponge
Tube Sponge

10. Uses Cleaning and bathing aid Cancer curing toxin
Protect small fish and sea animals

11. Osculum
Epidermal Cells
Spongocei
Choanocyte
Spicule
Pore Cell
Amebocyte
Mesenchyma