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
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VocabularyPorifera = "pore-bearing”; eat,
excrete, & reproduce through pores
ostia = pores for water to enter
osculum = pores for water to exit
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Vocabularycollar cells = cells to move
water and catch food
spicules = calcium carbonate or silica skeleton
amoebocytes = cells that digest, store, and transfer food
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Characteristics* Asymmetrical
body plan
* Brown/gray to red
* Tubes with channels and chambers
* Specialized cells
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Reproduction* Sexual - produce egg and sperm
(cross and self fertilization) Larvae with flagella attaches and grows
* Asexual -budding and regeneration
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Habitat
* Aquatic (marine and fresh water)
* Sessile-adults are nonmotile
Vase Sponge Tube Sponge
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Uses
Cleaning and bathing aid Cancer curing toxin
Protect small fish and sea animals
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