This is what we call animals that have jointed feet and legs, such as crabs and lobsters.
What are Arthropods or Crustaceans?
100
These bivalves produce pearls.
What are clams and oysters?
100
"Head-foot"
What is the meaning of "cephalopod"?
100
These are the two kinds of coral.
What are stony and soft?
100
These are two kinds of water worm.
What is a lugworm, flatworm, planarian, tubeworm, bristle worm, leech?
200
These are the tiny, shrimp-like keystone species that many other sea creatures depend upon.
What are krill?
200
This mollusk is a filter feeder.
What is the bivalve?
200
If an octopus meets an octopus, you would have these.
What are octopuses (but I'll give credit for "octopi")?
200
This fish finds protection inside the sea anemone.
What is the clown fish?
200
These animals stick to one spot.
What are sessile?
300
What it is called when a crustacean sheds its exoskeleton to grow larger.
What is molting?
300
This mollusk eats bivalves, dead, dying or decaying creatures, algae and food waste.
What is a gastropod?
300
A squid would hug you with all of his (this many) arms.
What is 10?
300
This cnidarian has dangling tentacles.
What is Medusae (Jelly fish and man-o-war are acceptable)?
300
This is another name for wheel animals.
What is rotifers?
400
This crustacean attaches itself to other sea creatures or objects in the water with a hard glue that is difficult to get off.
What is the barnacle?
400
This hard-to-pronounce word is what the study of shells is called.
What is conchology?
400
The names of three of the four cephalopods we studied this year.
What are the octopus, squid, nautilus and cuttlefish?
400
These cnidarians are in the class called anthozoa, which means flower animal.
What are sea anemones?
400
This is what a sponge's skeleton is made up of.
What is tiny spikes called spicules?
500
This crustacean causes trouble in this location in October, November and December when 100 million of them come out of hiding and head toward the ocean.
What is the Red Crab of Christmas Island?
500
This gastropod does not have an external shell, and is usually characterized by flamboyant colors.
What is the nudibranch?
500
These are three of the four defense mechanisms of cephalopods.
What are camouflage, ink, poison, shell (nautilus)?
500
This creature looks like a jellyfish, but does not have an umbrella-shaped medusa, and it's sting is potentially fatal.