Chapter 2

Question 0

The tough material from which the external skeleton is made

Answer 0

Chitin

Question 1

An invertebrate that has an external skeleton, segmented body, and jointed appendages

Answer 1

Arthropod

Question 2

Most infects undergo a transformation in appearance known as this

Answer 2

Metamorphosis

Question 3

The process in which an insect sheds its external skeleton

Answer 3

Molting

Question 4

An animal that is active at night is this kind of animal

Answer 4

Nocturnal

Question 5

The tiny hairs on a spiders body that are very sensitive to vibrations

Answer 5

Setae

Question 6

Scientists who study insects

Answer 6

Entomologists

Question 7

The process of arranging animals or other things into groups according to their similarities

Answer 7

Classification

Question 8

The percent of all s belonging to the class of insects

Answer 8

90%

Question 9

Insects have this many distinct body regions

Answer 9

3

Question 10

Tubelike structures with which spiders squirt out long, thin streams of liquid silk

Answer 10

Spinnerets

Question 11

These help an insect to feel, hear and taste

Answer 11

Antennae

Question 12

All insects have how many pairs of jointed legs?

Answer 12

3

Question 13

An insect resting in a chrysalis or cocoon

Answer 13

Pupa

Question 14

The stages of incomplete metamorphosis

Answer 14

Egg, nymph, adult

Question 15

The scientific name of an animal uses what names

Answer 15

Genus and species

Question 16

A useful arachnid with one body section 8 long, scrawny legs and an appetite for plant lice and other insect pests

Answer 16

Harvestman or daddy longlegs

Question 17

A parasite that might cause mange in animals or scabies in humans

Answer 17

Mite

Question 18

An arachnid that has a long tail with a poisonous needlelike point on the end

Answer 18

Scorpion

Question 19

The number of legs a spider has

Answer 19

8

Question 20

The two distinct body regions of a spider

Answer 20

Abdomen and cephalothorax

Question 21

Spiders breathe using this

Answer 21

Book lungs

Question 22

Many young spiders leave the nest by sailing away on silk strands. This is called…

Answer 22

Ballooning

Question 23

The spider that weaves a sheet web on a small portion of the ground

Answer 23

Platform spider

Question 24

The spider that makes a net small enough to hold between its legs

Answer 24

Ogre-faced spider

Question 25

The spider that sometimes digs a hole in the ground, lines it with silk, and builds a silk trap door

Answer 25

Trap-door spider

Question 26

The spider that spends its entire life underwater

Answer 26

Water spider

Question 27

The spider that is the largest in the world

Answer 27

Tarantula

Question 28

Very poisonous spider with a dark violin shaped mark on its body

Answer 28

Brown recluse

Question 29

Explain why Greek and Latin are used for the scientific names of animals

Answer 29

When animals were classified, educated people in the Western world were familiar with Latin and Greek. Latin and Greek terms were used by scientists so that scientists of all countries would understand what animal was being referred to