A gastropod is a mollusk. The term gastro means "____" and pod means "foot".
What is stomach.
100
T or F: All arthropods are invertebrates.
What is True!
100
The term "derm" refers to the___.
What is skin.
100
The sandpaper-like tongue of a gastropod is called a ___.
What is radula.
100
All insects have ___ pairs of legs.
What is 3.
200
Clams, muscles, and oysters belong to a class of mollusks with two shells. Members of this class are called _____.
What is bivalves.
200
All arthropods have a(n) ____, a skeleton on the outside of the body.
What is exoskeleton.
200
The term "echino" means ___.
What is spiny or prickly.
200
The term "regenerate" means to ___.
What is grow back.
200
The kind of arthropod that has more legs than any other kind of arthropod is the _____.
What is millipede.
300
Cephalopoda is a class of mollusks. The term "cephalo" refers to the ____, and the term "pod" means foot.
What is head.
300
Insects have three body sections: head, ___, and abdomen.
What is thorax.
300
Which of the following is NOT an echinoderm?
A. sea star
B. brittle star
C. sea urchin
D. octopus
What is D. octopus
300
The process of shedding the exoskeleton is known as ____.
What is molting.
300
Crabs, grasshoppers, and spiders are examples of arthropods. Beginning with the crab, list the classes that each organism belongs to.
What is
crabs- crustacea
grasshoppers- insecta
spiders- arachnida
400
Which of the following is true of all mollusks?
A. They have shells.
B. They have soft bodies.
C. They have segments.
D. They have a closed circulatory system.
What is B. All mollusks have soft bodies.
400
Spiders and ticks are ___, a class of arthropods.
What is arachnids.
400
Sea stars have suction-cup like structures on the underside of each arm that help them move and capture prey. These are called _____.
What is tube feet.
400
Holes in the side of the exoskeleton of grasshoppers that are used for gas exchange are ___.
What are spiracles.
400
Some arthropods have only two body sections. What is the name of the fused head/thorax section?
What is cephalothorax.
500
Which of the following is a function of the mantle in many mollusks?
A. It produces a shell.
B. It enables the mollusk to move.
C. It helps the mollusk digest food.
D. It removes waste.
What is A. It produces a shell.
500
Which of the following is NOT an arthropod?
A. centipede
B. crab
C. squid
D. grasshopper
What is C. squid
500
Which type of body symmetry do echinoderms have?
A. bilateral
B. radial
C. no symmetry
D. both A and B above
What is B. radial symmetry
500
Zoologists who focus on the study of insects are called ___.
What is entomologists.
500
List (in order) the four stages of complete metamorphosis.