Mollusk & Annelid Study Guide
Be able to answer these questions:
- Name the kingdom for
mollusks & annelids.
- What is the oldest part of
a bivalves shell called?
- What muscles open &
close a bivalves shell?
- What tissue surrounds &
protects the soft body of mollusks?
- What is the larval stage of
mollusks called & describe it?
- What structure enables a
squid to move by jet propulsion?
- What are the external segments
of an earthworm's body called?
- Name the internal shell of
a squid.
- How do earthworms breathe?
- Earthworms are hermaphrodites.
What does this mean?
- What type of symmetry do
annelids & mollusks have?
- What are the respiratory organs
of aquatic mollusks & annelids called?
- What are aortic arches
& what organism has them?
- What type of circulatory system
do mollusks & annelids have?
- What is the tongue-like structure called
that snails use to scrap algae?
- What is the "lip" of
an earthworm called & how is it used?
- Name the muscular organ
used by mollusks for movement.
- Name several examples of bivalve
mollusks.
- Give an example of a univalve
mollusk.
- Give an example of a marine,
shelled cephalopod mollusk.
- What is the area of a mollusk's body called that
contains most of the body organs?
Know the class for each of the following mollusks &
annelids:
- clams & scallops
- snails & slugs
- clam worms
- chitons
- squid & octopus
- leeches
- earthworms
Be able to label these internal parts of a clam:
- heart
- gills
- anus
- adductor muscles
- incurrent siphon
Be able to recognize pictures of these mollusks &
annelids:
- clam
- snail
- lugworm
- leech
- earthworm
- chiton
- squid
- octopus
