Arthropods
Arthropods/Mollusks
Mollusks
Cephalopods/Mollusks
Cephalopods
Cephalopods 2
100

What may have caused the extinction of trilobites?

The flood

100

How can you tell the age of a clam?

Counting its rings on the shell

100

What gastropod has no shell?

Nudibranch

100

What does a male octopus usually do after it mates?

Die

100

What is the internal shell of a cuttlefish called?

Cuttle bone

100

A land animal that looks like a Chilton.

What is a pill-bug or roly-poly? 

200

The outside or exterior skeleton. (double jeopardy)

What is an exoskeleton?

200

How do antennae help crustaceans?

They help them sense, touch, smell, and taste.

200

The jagged knife-like organ of a gastropod used to eat

What is a radula?

200

Which bivalve may be able to help with the plastic problem in the oceans?

Mussels

200

The mouth part of a cephalopod. 

What is a beak?

200

Describe a chiton.

What is a harmless sea creature with 8 plates covering its back, with many eyes, and is in its own class called Polyplacophora, meaning "many plates"?

300

What does the word arthropod mean?

Joint foot

300

What is the telson of the horseshoe crab?

Its tail

300

What kind of gastropod makes a shell that has a wide, pearly colored lip that flares outward?

Conch

300

In oysters, when a foreign object gets inside its shell this is formed.

What is a pearl?

300

How cephalopods swim. 

What is jet propulsion?

300

The paper nautilus or Argonauta Argo does this. (double jeopardy)

What is a female octopus that builds a shell-like structure before releasing eggs?

400

A species that other species depend upon for survival.

What does it mean to be a keystone species?

400

What features of the Bivalve are used to feed, filter the water, and breathe? (double jeopardy)

Their siphons

400

What does the term gastropod mean?

stomach foot

400

A creature whose name means Head foot

What is a cephalopod?

400

Four different kinds of animals in the cephalopod group.

What are octopus, squids, cuttlefish, and nautilus

400
Some defenses that cephalopods have.

What is ink, suction cups, the ability to change color and texture, and jet propulsion 

500
A crustacean with ten legs, such as crabs, shrimp, and lobsters.

What is a decapod?

500

What is the main difference between bivalves and gastropods?

Bivalves have two shells attached together, and gastropods have one shell.

500

What kind of gastropod has a shell with several large holes?

Abalones

500

Ways octopuses are intelligent

What are: playing games, opening jars, climbing out of their aquariums, changing colors, fitting into small spaces, etc? 

500

The differences between the nautilus compared to other cephalopods. (double jeopardy)

What has an outer shell and many arms?

500

How does the nautius move up and down in the water?

By filling with or releasing gas from it's shell.