Show:
Mollusks
Cephalopods
Arthropods
Crustaceans
Insects
100
What does a snail use to move?
Foot.
100
The squid’s internal shell is called the ______.
Pen
100
Millipedes are this type of feeder.
Herbivore.
100
In a crayfish, these two regions of the body are fused.
Head and thorax (Cephalothorax).
100
The insect body is made up of three body regions.
Head, thorax, abdomen
200
How do clams and mussels feed?
Filter feeding (using gills)
200
How do squid swim?
Jet propulsion (draw water into mantle and then force water out their siphons).
200
Name the three characteristics of all arthropods.
Exoskeleton, Jointed Appendages, Segmented bodies.
200
Crayfish have two pairs of antennae. The smaller pair are called ______________________.
Antennules.
200
The jaws of grasshoppers are also known as _____________.
Mandibles.
300
Mollusks eat using a rasping tongue known as a ________.
Radula.
300
How many arms and how many tentacles do squid have?
8 arms, 2 tentacles.
300
Ticks are parasites that are particularly dangerous because they spread this disease.
Lyme Disease.
300
The claws of crayfish are known as _________.
Chelipeds.
300

Grasshoppers have two types of eyes:  ___________ and _____________ eyes.

Compounds and simple (ocelli) eyes

400
How did class Bivalvia gets its name?
Two shells (ex: clams)
400
Octopus and squid are unusual among the mollusks in that they are fast moving and have this type of circulatory system.
Closed circulatory system.
400
Spiders respire using these structures.
Book lungs.
400
The dorsal exoskeleton of the crayfish has a special name. It is called the ___________________.
Carapace.
400
Insects respire using these structures.
Tracheal tubes.
500
What is the name for the body wall of a mollusk, which secretes the calcium carbonate for the shell.
Mantle.
500
Class Cephalopoda includes the octopi and the squid. Name one other animal that is also in this class.
Cuttlefish and nautilus.
500
The biting jaws of spiders are known as ________________.
Chelicerae.
500
Why is the dorsal exoskeleton of crayfish so hard?
Contains calcium carbonate.
500
Centipedes are not insects but they are part of the same Subphylum. What is this subphylum?
Uniramia.