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Ch 33 Voc
Voc words for sponges
28
Biology
12th Grade
10/16/2015

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Term
Sponges
Definition
aquatic animals that make up the phylum Porifera
Term
Sessile
Definition
attached and can't move
Term
coenocytes
Definition
flagellated cells lining the interior of the cylinder
Term
Ostia
Definition
pores that penetrated the body wall
Term
osculum
Definition
opening at the top of the sponge
Term
spongin
Definition
network of touch flexible protein fibers
Term
spicules
Definition
tiny particles of calcium carbonate or silicon dioxide often shaped like spikes
Term
filter feeding
Definition
coenocytes trap tiny org in small hair like projections
Term
amobocytes
Definition
cells that deliver nutrients to the body
Term
gemmules
Definition
food-filled ball of amoeboccytes surrounded by a protective coat made of organic material and spicules
Term
regeneration
Definition
regrowth of missing body parts
Term
hermaphrodites
Definition
produce egg and sperm
Term
medusa
Definition
bell like and specialized for swimming
Term
polyp
Definition
vase shaped and specialized for sessile existence
Term
epidermis
Definition
outer layer
Term
Sponges
Definition
aquatic animals that make up the phylum Porifera
Term
gastrodermis
Definition
inner layer
Term
mesoglea
Definition
jelly like material betwwen the epidermis and gastrodermis
Term
gastrovascular cavity
Definition
mouth in the center of the body
Term
tentacles
Definition
numerous flexible extensions
Term
cnidocytes
Definition
specialized cells for defense and capturing prey
Term
nematocysts
Definition
cnidocyte organelle with ling filaments coiled up inside it
Term
nerve net
Definition
diffuse web of interconnected nerve cells
Term
planula
Definition
ciliated larva at the bottom of the ocean
Term
coral reefs
Definition
rock like formations built by polyps over thousands of years
Term
collablast
Definition
secretes a sticky substance to bind their prey
Term
apical organ
Definition
enables ctenophores to sense their orientation in the water
Term
bioluminescence
Definition
production of light by means of chemical reaction
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