The featherlike plumage parts of most polychaetes are used for ________________. (Points : 3)
mate attraction
breathing
sensing danger
both B and C
6. Which of the following organisms is not a bivalve? (Points : 3)
quahog
oyster
mussel
limpet
7. Porifera pull bacteria and small plankton from water that circulates through their bodies. This form of feeding is called _________________. (Points : 3)
raptorial feeding
suspension feeding
filter feeding
ambush feeding
8. Asconoid, syconoid, and leuconoid are all examples of ___________________. (Points : 3)
specific shaped sponges
types of coral
scales found on Porifera
skeletal cell types of sponges
9. Spicules are supporting cells that act like that of a skeletal system in sponges. Spicules can be made of any of the following substances except ________________. (Points : 3)
calcium carbonate
silica
spongin
cellulose
10. Which of the following is not a way that some gastropods get food? (Points : 3)
pack hunting
scavenging
solitary hunting
filter feeding
11. The body cavity, coelom, of a mollusk contains a definite _________________. (Points : 3)
reproductive system
respiratory system
muscular system
digestive and intestinal system
12. Echinoderms such as sea stars and sea cucumbers are famous for their ability to _________ body parts once eviscerated or removed from the main body. (Points : 3)
regenerate
move
camouflage
retrieve
13. Simple marine worms belong to the phylum __________________. (Points : 3)
Aschelhelminthes
Platylhelminthes
Nemertea
Annelida
14. Which group of mollusks show the least amount of cephalization? (Points : 3)
pelecypods
gastropods
cephalopods
crustaceans
15. “Stomach-footed” mollusks are also called ________________. (Points : 3)
gastropods
pelecypods
cephalopods
molluskopods
16. Unlike most cephalopods, the ________________ has an external shell. (Points : 3)
octopus
cuttlefish
squid
nautilus
17. Layers of gills called book lungs are associated with _________________. (Points : 3)
shrimp
clams
horseshoe crabs
lobster
18. Which of the following is a member of the class Asteroidea? (Points : 3)
sea lily
sea feather
sea star
sea cucumber
19. The gastric cavity of the Cnidarians is called the _________________. (Points : 3)
coelenteron
stomach
intestine
blastophore
20. A __________ appears green to brown or yellow-brown in color, with many twisting grooves that are typically lighter in color. (Points : 3)
clubbed finger coral
common brain coral
great star coral
ivory bush coral
21. Because of their symbiotic photosynthetic algae, corals are net ______________. (Points : 3)
producers
consumers
scavengers
decomposers
22. The major predators of Porifera are ___________________. (Points : 3)
turtles
fish
eels
humans
23. Which of the following is not a type of symbiotic relationship? (Points : 3)
commensalism
scavenging
mutualism
parasitism
24. Which gastropod has lost its shell completely? (Points : 3)
octopus
cowry
abalone
nudibranch
25. Sponge fishing meccas in Florida, USA are _________________. (Points : 3)
Tarpon Springs and Clearwater
Key West and Miami
Boca Raton and Ft. Lauderdale
Tarpon Springs and Key West
26. Pelecypods are also known as ________________. (Points : 3)
bivalves
snails
conchs
squid
27. Polychaetes have a complete digestive tract, internal organs, excretory system, and reproductive system and belong to the phylum _________________. (Points : 3)
Aschelhleminthes
Nemertea
Platylhelminthes
Annelida
28. The larval form of a mollusk is called a ________________. (Points : 3)
tropophore
planula
veliger
fry
