Mod 12

Question 1

Why do arthropods molt?

Answer 1

So they can grow

Question 2

What five characteristics set arachnids apart from other arthropods?

Answer 2

1. 4 pairs of walking legs
2. a cephalothorax instead of a separate head and thorax
3. usually have 4 pairs of simple eyes
4. no antenna
5. respiration done through organs

Question 3

What four characteristics set insects apart from other arthropods ?

Answer 3

1. 3 pairs of walking legs
2. usually have wings at some point
3. one pair of antennae
4. three segments, head, thorax and abdomen

Question 4

What are the stages of incomplete metamorphosis?

Answer 4

egg, nymph, adult

Question 5

What takes the place of a respiratory system in insects?

Answer 5

Tracheas runs throughout the body providing oxygen to all tissues.

Question 6

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

Answer 6

Coleoptera - The Beetles

Question 7

If an insect has leather-like wings that protect membranous wings to what order does it belong?

Answer 7

Orthoptera - Grasshopper and Crickets

Question 8

Exoskeleton

Answer 8

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

Question 9

Simple eye

Answer 9

An eye with only one lens

Question 10

Open circulatory system

Answer 10

A circulatory system that allows the blood to flow out of the blood vessels and into various body cavities so that the cells are in direct contact with the blood

Question 11

Statocyst

Answer 11

The organ of balance in a crustacean

Question 12

Gonad

Answer 12

A general term for the organ that produces gametes