invertebrate phylum: (sponges)
DESCRIPTION
Invertebrate Phylum: (Sponges). PORIFERA. Vocabulary Porifera = "pore-bearing”; eat, excrete, & reproduce through pores ostia = pores for water to enter osculum = pores for water to exit. Vocabulary collar cells = cells to move water and catch food - PowerPoint PPT PresentationTRANSCRIPT
VocabularyPorifera = "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