LONG QUIZ module 4

Question 1

Phylum of sluggish invertebrates:

layers:
symmetry:
coelom?:
reproduction?:

Answer 1

Mollusca

triploblastic
bilateral
coelomate
dioecious

Question 2

Phylum mollusca:

What are the respiratory pigments?

What is the basic body plan of molluscs (3)
____ locomotion
____ contains internal organs
____ fold of tissue that drapes and secretes a shell

Answer 2

Haemocyanin

Muscular foot
visceral mass
mantle

Question 3

Phylum mollusca:

Unique rasping organ used to scrape up food:

ciliated larva of molluscs:

what do molluscs have that flatworms and nematodes dont?

Answer 3

radula

trocophore

circulatory system

Question 4

Phylum mollusca:

Most diverse groups within mollusca (3)

____ snails and slugs (belly, foot)

____ clams, scallops, oyster (valva, door)

____ squids and octopuses (head, foot)

Answer 4

gastropods

bivalves

cephalopods

Question 5

Phylum mollusca:

____ Largest groups of molluscs, protected by single spiraled shell

____ two halves that hinge together and are suspension feeders

____ shell is small and internal or missing except the nautilus, which use jaws to break things apart

Answer 5

gastropods

bivalves

cephalopods

Question 6

Phylum mollusca:

_____ the largest invertebrate in the world

Answer 6

colossal squid

Question 7

Phylum of sea stars:

layers:
symmetry:
coelom?:
reproduction?:

Answer 7

Phylum Echinodermata

triploblastic
pentamerous radial
coelomate
dioecious

Question 8

Phylum echinodermata:

_____ function in locomotion, feeding, and gas exchange

They are capable of _____

Answer 8

tube-feet

regeneration

Question 9

Phylum echinodermata:

Sea stars are ____
sea urchins eat ____
____ thrash their arms
____ live attached to substrate by stalk
____ elongated animals that resemble the vegetable

Answer 9

carnivorous
algae
brittle stars
Sea lilies
Sea cucumbers