Test for Module 14

Question 1

Answer 1

green gland

Question 2

Oxygen is circulated around the body of a sea star in its

Answer 2

water vascular system

Question 3

Answer 3

simmerets

Question 4

What 4 characteristics set insects apart from the other arthropods?

Answer 4

three pairs of walking (or jumping) legs; wings, three segments in the body, and one pair of antennae

Question 5

Answer 5

pericardial sinus

Question 6

Answer 6

heart

Question 7

In an echinoderm, what structure operates like a living suction cup?

Answer 7

tube foot

Question 8

Answer 8

nerve cord

Question 9

Why do arthropods molt?

Answer 9

their growing bodies get too large for their exoskeletons

Question 10

gonad

Answer 10

a general term for the organ that produces gametes

Question 11

simple eye

Answer 11

an eye with only one lens

Question 12

Answer 12

antennae

Question 13

Answer 13

digestive glands

Question 14

exoskeleton

Answer 14

a body covering, typically made of chitin, that provides support and protection

Question 15

What takes the place of a respiratory system in insects?

Answer 15

a complex network of traceas

Question 16

The compound eyes are made of

Answer 16

many lenses

Question 17

If an insect has horny wings that protect membranous wings, to what order does it belong?

Answer 17

Coleoptera

Question 18

Answer 18

stomach

Question 19

What 5 characteristics set arachnids apart from other arthropods?

Answer 19

four pairs of walking legs, two segments in body, no antennae, book lungs, and four pairs of simple eyes

Question 20

Give an example of an arachnid?

Answer 20

spider

Question 21

Answer 21

anus

Question 22

The body of an insect is divided into what three parts?

Answer 22

head, a thorax, and an abdomen

Question 23

statocyst

Answer 23

the organ of balance in a crustacean

Question 24

What are the stages of incomplete metamorphosis?

Answer 24

egg, nymph, and adult

Question 25

Answer 25

carapace