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Marine Science Study Guide
final exam
79
Science
11th Grade
12/19/2008

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Cards

Term
animals without a backbone
Definition
invertebrates
Term
what percent of all animals are inverts?
Definition
97
Term
sponges are composed of hundreds of?
Definition
cells
Term
sessile:
Definition
live permanetly attached
Term
sponges belong to what phylum
Definition
porifera
Term
what does proifera mean?
Definition
pore bearing
Term
pore cell:
Definition
take in water
Term
collar cell:
Definition
channel water
Term
wandering cell
Definition
transport food, repair damaged sponge
Term
osculum
Definition
rid of waste
Term
gametes
Definition
sex cells
Term
spicules
Definition
skeletal spikes
Term
sponging
Definition
elastic fiberous tissue
Term
feeding habits of sponges?
Definition
filter feeding
Term
how do sponges reproduce asexually?
Definition
budding, fragmentation
Term
sexual reporduction of a sponge?
Definition
release sperm into water through spores
Term
metamorphis?
Definition
egg-larve-adult
Term
sponges have what type of symmetry
Definition
asymetrical
Term
cnidarians include:
Definition
corals, sea anenome, jellyfish
Term
cnidarians have what kind of symmetry
Definition
radial
Term
surface of the mouth
Definition
oral
Term
surface opposite the mouth
Definition
aboral
Term
a sac like cnidarian with tentacles up body plan is:
Definition
polyp
Term
a bell shaped cnidarian with long extended downward tentacles is a?
Definition
medusa
Term
the stomach like structure where food is digested is:
Definition
gut
Term
stinging cells:
Definition
nematocysts
Term
describe a hydrozoan:
Definition
deathery colonies of polyp
Term
larval stage of a hydrozoan:
Definition
planula
Term
describe a siphonophore
Definition
man-of-war
Term
common name for a scyphozoan:
Definition
jelly fish
Term
anthozoans consist of...
Definition
coral, sea anemonies
Term
feeding habits of cnidarians
Definition
trap food in tentacles, carnivores
Term
function of nerve net:
Definition
allows to respond to stimuli
Term
statocysts?
Definition
balance
Term
describe a comb jelly
Definition
8 rows of combs
Term
unstining tentacles of a comb jelly
Definition
coloblast
Term
symmetry of worms
Definition
bilateral
Term
worm
anterior
Definition
head
Term
worm
posterior
Definition
tail
Term
worm
dorsal
Definition
back
Term
worm
ventral
Definition
front
Term
why are worms more complex than sponges and cnidarians?
Definition
worms have true organs and organ systems
Term
body plan for a platyhelminthe
Definition
flat worm
Term
feeding habits of tapework?
Definition
parasidic. eats of host.
Term
what is a proboscis:
Definition
tongue of ribbon worm
Term
how do worms get oxygen
Definition
diffusion through skin, primative gills
Term
3 characteristics of all mollusks
Definition
soft body, muscular foot, mantle
Term
radula
Definition
row of teeth to scrape algae
Term
2 common names for gastropods
Definition
snails, sea slugs
Term
4 common names for bivalves
Definition
clams, oysters, scalops, muscles
Term
how do bivalves feed
Definition
pry open prey
Term
3 examples of cephalopods
Definition
octopus, squid, chambered nautilus
Term
how do cephalopods swim
Definition
water jet
Term
how do cephalopods defend themselves
Definition
secrete ink
Term
function of the spermatophore
Definition
reproductive arm
Term
anthropods have an external skeleton called:
Definition
exoskeleton
Term
how do arthropods grow
Definition
through molting
Term
common name for the groups of arthropods
Definition
Term
copepods
Definition
crustacians
Term
amphipods
Definition
sand fleas
Term
isopods
Definition
fish lice
Term
krill
Definition
krill
Term
decapods
Definition
crabs, shrimp, lobsters
Term
head region of an arthropod
tail region?
Definition
cephalothorax
abdomin
Term
unique about a hermit crab?
Definition
no exoskeleton
Term
maxillipeds:
Definition
appendages near mouth used to shovel food
Term
echinoderm means:
Definition
spiny skin
Term
what is the skeleton of an echinoderm called?
Definition
water vascular system
Term
tube feet:
Definition
feeding
Term
ampullae
Definition
maintain suction
Term
madreporite
Definition
strains ater
Term
pedicelarie
Definition
cleans aboral surface
Term
asteroidea:
Definition
sea stars
Term
holothuroidea
Definition
sea cucumber
Term
crinoidea
Definition
sea lillys, feather stars
Term
ophiuroidea
Definition
brittle stars
Term
echinoidea
Definition
sand dollars, sea urchin
Term
what is regeneration
Definition
ability to grow back loss body parts.
Term
tunic:
Definition
leathery covering surrounds the sea squirt
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