test1 Flashcards
have siliceous spicules
lace like skeleton
glass sponges
Porifera
Eupectella
grows on oysters
bore holes in CaCO3 shells- recycle Ca
boring speonges
Porifera
Cliona
polyp stage dominant
Hydrozoa
-Has hydromedusa but short lived
portuguese man o war
war colony of polyps
Hydrozoa
Siphonophora
medusa dominant
toxic
jellyfish blooms
Scyphozoa
extremely venomous
box jelly
cubozoa
stalked star medusa
not floating like most jellies
usually coastal line and rocky intertidal
Staurozoa
polyp stage only NO MEDUSA
“flower animal”
Anthozoa
sea pen
sea anemones
coral reefs
soft corals
Anthozoa
flatworms
acoelomates
platyhelminthes
ribbon worms
PROBOSCIS
acoelomate
nemerteans
coelm hydrostatic skeleton segmented worms trocophore larvae 3 classes
Phylum Annelida
sessile
deposit feeders
parapodia
Polychaeta ex/ terebellidae
or siboglindae, tomopteris
lack papapodia
spase chaetae
feeed on deterittus
most terrestrial-earthworms
oligochaeta
have sucker
no parapodia
leeches
hirudinea
coelom
unsegmented body
retractible feeding organ
peanut worms
sipuncula
proboscis: non retractable
insegmented
deposit feeders
spoon worms
Echiura
snails, clams
soft body in CaCO3 shell
radula: teeth for feeding
mollusca
-also had trochophore larvae
snails and slugs
twisted gut-tortion
gastropods
nakes gastropods
Nudibranch
segmented shell
8 plates
flat shape and no tortion
chitons
polypacophora
lack radula
siphons for feeding
oysters, mussels, scallops
Bivalvia
head-footed-modified foot
shell absent
squid octopus cuttlefish
cephallopoda
lack segmentation
suspention feeders and sessile
u shaped gut
lophophores
moss animals
zooid
ectoprocta
bryozoans
worm like animals in tube
photonids
amp shells
pedil=cle
brachiopoda
rond worms
mostly parasitic
nematoda
crabs, shrims, spiders
jointed appendages
exoskeleton
hemocoel
Arthropoda
suspension feeders
copepods
barnicles
sessoile
ciripeda
some are parasitic
7 pairs of legs
crustacea isopoda
shrimp
decapod
