Ch 2 - Insects: Miniature Marvels of Creation Flashcards
Name the three special characteristics of insects.
an exoskeleton
three body parts
six jointed legs
List the three body parts of insects.
head
thorax
abdomen
Identify the parts of an insect’s body below.
- Head
- Thorax
- Abdomen
- Ovipositor
- Spiracles
What body parts does the head of an insect contain?
brain
antennae
eyes
mouth
What are an insect’s antennae?
They are the feelers or sense organs.
What is an insect’s thorax?
the part of the insect’s body where wings and legs are attached
What is an insect’s abdomen?
the part of the insect’s body containing the heart and stomach
What do scientists call a caterpillar?
a larva
What does a caterpillar become before it turns into an adult?
a pupa
What are the differences between moths and butterflies?
- Butterflies fold their wings together when they rest; moths rest with their wings spread out.
- A butterfly’s body is usually not as thick as a moth’s.
- Butterflies fly about by day, but moths prefer to fly at night.
- The butterfly’s antennae are thin with a knob at each end; a moth’s antennae are feathery.
Name the four stages of complete metamorphosis in order.
egg
larva
pupa
adult
What are the three stages of incomplete metamorphosis?
egg
nymph
adult
Name five insects that go through complete metamorphosis.
Any of: butterflies, moths, beetles, flies, mosquitoes, bees, wasps
State the law of biogenesis.
Life can only come from other life.
Why is a spider not an insect?
A spider has more than six legs.
To which section of its body are an insect’s wings attached?
the thorax
Why are wings important to insects?
Adult insects often must travel long distances to get food or to find theh right place to lay their eggs.
Name two insects which migrate.
Any of: butterlflies, locusts, ladybugs
What are three ways of telling the difference between a cricket and a grasshopper?
- 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.
- A cricket’s antennae are long and slender; a grasshopper’s may be long or short (so check the wings).
- A grasshopper is active in the day; a cricket is active at night.
How can you tell a male cricket from a female cricket?
A female cricket has an ovipositor and a male cricket chirps.
Which insect has a bad taste as a method of protection?
monarch butterfly
milkweed bug
Which insects use camouflage as a method of protection?
dead leaf butterfly
measuring worm moth
praying mantis in Thailand