Biology Unit 12: Phylum Arthropoda

Question 1

Exoskeleton

Answer 1

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

Question 2

Molt

Answer 2

To shed an old outer covering so that it can be replaced with a new one

Question 3

Thorax

Answer 3

The body region between the head and the abdomen

Question 4

Abdomen

Answer 4

The body region posterior to the thorax

Question 5

Cephalothorax

Answer 5

A body region composed of the head and thorax fused together

Question 6

Compound eye

Answer 6

An eye made of many lenses, each with a very limited scope

Question 7

Simple eye

Answer 7

An eye with only one lens

Question 8

Open circulatory system

Answer 8

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 9

Statocyst

Answer 9

The organ of balance in a crustacean

Question 10

Gonad

Answer 10

A general term for the organ that produces gametes

Question 11

Complete metamorphosis

Answer 11

Insect development consisting of four stages: egg, larva, pupa, and adult

Question 12

Incomplete metamorphosis

Answer 12

Insect development consisting of three stages: egg, nymph, and adult