Vocabulary

Porifera = "pore-bearing”; eat, excrete, & reproduce through pores

ostia = pores for water to enter

osculum = pores for water to exit

Vocabularycollar cells = cells to move

water and catch food

spicules = calcium carbonate or silica skeleton

amoebocytes = cells that digest, store, and transfer food

Characteristics* Asymmetrical

body plan

* Brown/gray to red

* Tubes with channels and chambers

* Specialized cells

Reproduction

* Sexual - produce egg and sperm (cross and self fertilization) Larvae with flagella attaches and grows

* Asexual -budding and regeneration

Habitat

* Aquatic (marine and fresh water)

* Sessile-adults are nonmotile

Vase Sponge Tube Sponge

Uses

Cleaning and bathing aid Cancer curing toxin

Protect small fish and sea animals