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marine bio unit 5 test
litz yeahhhhhh
51
Biology
12th Grade
01/27/2010

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Term
3 types of sponge cell
Definition
wandering, pore, collar
Term
wandering cell
Definition
secretes spicules and spongin
Term
pore cell
Definition
lets water in
Term
collar cell
Definition
creates current and traps food
Term
where are sponges found
Definition
attached to bottom of a surface (marine/freshwater)
Term
how do sponges obtain food and get rid of wastes
Definition
collar cell traps food and waste leaves through the osculum
Term
how do sponges reproduce
Definition
asexually (budding) and sexually (gametes)
Term
what evolutionary advancements do sponges have over single-celled protists
Definition
they are the 1st multicellular animals
Term
how do cnidarians/combjellies feed and get rid of wastes
Definition
stingers sting prey and food goes into centrally located mouth. waste leaves through oral opening too. (combjellies are the same just without a stinger)
Term
what are nematocysts
Definition
stingers on cnidarians
Term
symmetry of cnidarians/combjellies
Definition
radial
Term
what are the 2 cnidarian life stages (body forms)
Definition
polyp and medusa
Term
what is the function of statocysts
Definition
cell that sets balance (up/down)
Term
how do combjellies move through water
Definition
8 rows of cilia
Term
what evolutionary advancements do flat worms have over cnidarians
Definition
central nervous system with a brain and bilateral symmetry
Term
what are flukes
Definition
flat worms/parasites
Term
what evolutionary advancements do ribbon worms have over flat worms
Definition
1st to have an anus/complete digestive system, 1st to have circulatory system, have a proboscis to get food
Term
how do ribbon worms feed
Definition
proboscis sticks to plankton
Term
what evolutionary advancements do polychaete worms have over other worms
Definition
they have all systems complete, segmented body
Term
how do beard worms feed and get rid of wastes
Definition
absorb nutrients and get rid of waste through body as well
Term
what group do polychaete worms belong to
Definition
segmented worms
Term
how do arrow worms feed
Definition
they swim around and catch prey (plankton)
Term
what is a lophophore
Definition
a feeding polyp of a bryozoan with tentacles and a horseshoe shape
Term
what type of symmetry does a lophophore have
Definition
bilateral
Term
what is the importance of a lophophore having a u-shaped gut
Definition
so that waste goes outside of box shape structure that they live in
Term
how do lophophores feed
Definition
they filter feed out of water using tentacles
Term
what is a mantle
Definition
protects the soft part of a mollusc and in bivalves it secretes the shell
Term
wwhat is the function of a radula
Definition
a snail/slugs tongue for feeding on algae
Term
what type of animal is a nudibranch
Definition
sea slug (gastropod)
Term
what do squid eat
Definition
fish/shrimp
Term
what do octopus eat
Definition
crabs/lobsters
Term
what do chambered nautilus eat
Definition
dead stuff
Term
what advantage do jointed legs give to the arthropods
Definition
they can move faster/stronger
Term
what is a crustaceans exoskeleton made of
Definition
chitin mixed with calcium carbonate (calcareous)
Term
what is the function of antennae
Definition
they pick up on chemicals and vibrations in water
Term
what kind of circulatory system does a echinoderm have
Definition
water vascular
Term
how do echinoderms move
Definition
the water vascular system controls the TUBE FEET IN THE AMBULACRAL GROOVES
Term
phylum of jellyfish/coral/sea anemones
Definition
cnidaria
Term
phylum of sponges
Definition
porifera
Term
phylum of combjellies
Definition
ctenophora
Term
phylum of round worms
Definition
nematoda
Term
phylum of ribbon worms
Definition
nemertea
Term
phylum of beard worms
Definition
pogonophora
Term
class of snails/slugs
Definition
gastropoda
Term
class of oysters/mussels
Definition
bivalvia
Term
class of octopus/squid
Definition
cephalopoda
Term
class of sea stars
Definition
asteroidea
Term
class of sea cucumber
Definition
holothuroidea
Term
class of brittle stars
Definition
ophiuroidea
Term
class of sea urchins
Definition
echinoidea
Term
class of sea anemones/corals
Definition
anthazoa
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