Ch 2 - Insects: Miniature Marvels of Creation

Question 1

Name the three special characteristics of insects.

Answer 1

an exoskeleton
three body parts
six jointed legs

Question 2

List the three body parts of insects.

Answer 2

head
thorax
abdomen

Question 3

Identify the parts of an insect’s body below.

Answer 3

1. Head
2. Thorax
3. Abdomen
4. Ovipositor
5. Spiracles

Question 4

What body parts does the head of an insect contain?

Answer 4

brain
antennae
eyes
mouth

Question 5

What are an insect’s antennae?

Answer 5

They are the feelers or sense organs.

Question 6

What is an insect’s thorax?

Answer 6

the part of the insect’s body where wings and legs are attached

Question 7

What is an insect’s abdomen?

Answer 7

the part of the insect’s body containing the heart and stomach

Question 8

What do scientists call a caterpillar?

Answer 8

a larva

Question 9

What does a caterpillar become before it turns into an adult?

Answer 9

a pupa

Question 10

What are the differences between moths and butterflies?

Answer 10

1. Butterflies fold their wings together when they rest; moths rest with their wings spread out.
2. A butterfly’s body is usually not as thick as a moth’s.
3. Butterflies fly about by day, but moths prefer to fly at night.
4. The butterfly’s antennae are thin with a knob at each end; a moth’s antennae are feathery.

Question 11

Name the four stages of complete metamorphosis in order.

Answer 11

egg
larva
pupa
adult

Question 12

What are the three stages of incomplete metamorphosis?

Answer 12

egg
nymph
adult

Question 13

Name five insects that go through complete metamorphosis.

Answer 13

Any of: butterflies, moths, beetles, flies, mosquitoes, bees, wasps

Question 14

State the law of biogenesis.

Answer 14

Life can only come from other life.

Question 15

Why is a spider not an insect?

Answer 15

A spider has more than six legs.

Question 16

To which section of its body are an insect’s wings attached?

Answer 16

the thorax

Question 17

Why are wings important to insects?

Answer 17

Adult insects often must travel long distances to get food or to find theh right place to lay their eggs.

Question 18

Name two insects which migrate.

Answer 18

Any of: butterlflies, locusts, ladybugs

Question 19

What are three ways of telling the difference between a cricket and a grasshopper?

Answer 19

1. A grasshopper’s wings meet in a peak like a roof when it is not flying; a cricket’s wings lie flat, one of top of the other.
2. A cricket’s antennae are long and slender; a grasshopper’s may be long or short (so check the wings).
3. A grasshopper is active in the day; a cricket is active at night.

Question 20

How can you tell a male cricket from a female cricket?

Answer 20

A female cricket has an ovipositor and a male cricket chirps.

Question 21

Which insect has a bad taste as a method of protection?

Answer 21

monarch butterfly

milkweed bug

Question 22

Which insects use camouflage as a method of protection?

Answer 22

dead leaf butterfly

measuring worm moth

praying mantis in Thailand

Question 23

Which insects use bad odour as a method of protection?

Answer 23

bombardier beetle

stinkbug

lacewing

carrion beetle

Question 24

Which insect uses jumping as a method of protection?

Answer 24

grasshopper

Question 25

Which insects use chemicals as a form of protection?

Answer 25

termites bombardier beetle

Question 26

Name two insects that defend themselves with parts of their body.

Answer 26

Any of: Jerusalem cricket, giant water bug, beetle, earwig, bee, wasp

Question 27

How does the viceroy butterfly escape its enemies?

Answer 27

It mimics the monarch butterfly, which is a bad-tasting insect.

Question 28

What is the defense of the swallowtail caterpillar?

Answer 28

It has patches of colour to look like big eyes to scare predators.

Question 29

Name five ways that insects communicate.

Answer 29

sight smell touch dancing sound

Question 30

How do honeybees tell their fellow bees where to find a good food supply?

Answer 30

They do a round or waggle dance that tells the direction and how far to travel.

Question 31

True or false: The giant water bug builds a house which it can carry about with him.

Answer 31

False. The **caddis worm** builds a house which it can carry about with him.

Question 32

True or false: Many insects lay their eggs on or near a source of food.

Answer 32

true

Question 33

True or false: Lice are parasites.

Answer 33

true

Question 34

True or false: Mosquitoes can sometimes be controlled by filling in ponds and pools.

Answer 34

true

Question 35

True or false: The ladybug is a pest because it destroys crops.

Answer 35

False. It is actually a great help to farmers.

Question 36

Name three social insects.

Answer 36

Any of: honeybees, ants, termites, paper wasps (hornets, yellowjackets)

Question 37

What substance do bees use to make the cells of their hives?

Answer 37

wax

Question 38

How do wasps make their nests?

Answer 38

The wasps chew wood fibre from dead trees or posts and form it into sheets for the nest.

Question 39

Through what kind of metamorphosis do honeybees go?

Answer 39

complete metamorphosis

Question 40

What kind of beetle buries dead animals?

Answer 40

burying beetle

Question 41

What kind of insect keeps "cows" for the nectar they give?

Answer 41

ants

Question 42

Name an insect that has two pairs of compound eyes.

Answer 42

the whirligig beetle

Question 43

Which insect lays her eggs on her mate's back?

Answer 43

the giant water bug

Question 44

Which insect communicates food sources by doing a dance?

Answer 44

the honeybee

Question 45

Which insects taste bitter?

Answer 45

monarch butterfly milkweed beetle

Question 46

Name two insects that migrate long distances.

Answer 46

monarch butterfly painted lady butterfly

Question 47

Name two insects that protect themselves by their stings.

Answer 47

Any of: honeybees, hornets, yellow jackets

Question 48

Name two insects that protect themselves by letting off a foul odour.

Answer 48

Any of: stinkbugs, lacewings, carrion beetles

Question 49

Name two insects that chew wood.

Answer 49

Any of: termites, social wasps (hornets, yellow jackets, paper wasps)

Question 50

Name two insects that pretend to be harmful.

Answer 50

viceroy butterfly tiger swallowtail caterpillar

Question 51

Name three insects that go through complete metamorphosis.

Answer 51

Any of: moths, butterflies, beetles, flies, mosquitoes, bees, wasps

Question 52

Name three insects that go through incomplete metamorphosis.

Answer 52

Any of: crickets, grasshoppers, roaches, cicadas, termites

Question 53

Name three insects that feed on other insects.

Answer 53

dragonflies, beetles, praying mantises

Question 54

Name three insects that live in the water.

Answer 54

backswimmer, whirligig beetle, caddis worm

Question 55

Name three insects that live in colonies.

Answer 55

Any of: ants, termites, honeybees, paper wasps

Question 56

Identify the parts of an insect's head shown below.

Answer 56

1. compound eyes 2. simple eyes 3. antennae 4. sensilla