Why is the twig caterpillar a good example of camoflage?
It is the same color as a twig. When it stands on a branch it looks just like a twig.
How does a starfish eat?
It pushes its stomach out of its body, eats the food, then puts its stomach back.
If invertebrates have skeletons, where are they located?
On the outside
Use the picture to label the parts of the insect.
Head, Thorax, Abdomen, Antennae, and Legs
What is a compound eye?
thousands of eyes fitted closely together to make one eye.
What are insects eyes called?
Compound eyes
How many arms does an octopus have?
8
What are the 3 main parts of an insect?
Head, Thorax, and Abdomen
What does camouflage mean?
changing color to match an environment or surroundings
Name 3 ways an insect is alike?
1. 6 legs, 2. 3 body parts (head, thorax, and abdomen), 3. outer skeleton
What is complete metaamorphosis?
The 4 stages of growth that an insect goes through (egg, larva, pupa, and adult)
How is an octopus able to get away quickly?
It squeezes water through a special tube called a siphon.
Which animal has 10 tiny hearts?
The earthworm
Name 3 examples of invertebrates
Jellyfish, starfish, clams, oysters, snails, octopus, insects, spiders, worms.
Name 3 ways invertebrates are alike.
1. no backbone, 2. weak muscles, 3. small animals with soft bodies, 4. cold-blooded, 5. if they have a skeleton it's on the outside
Name an example of a helpful insect and why it is helpful.
Bee - pollinate, Ladybugs - eat aphids that ruin fruit trees, praying mantis - kills many other insects that damage crops
What does an insects head contain?
Brain, antennae, eyes, and mouth parts
What are an insects feelers or main sense organs?
antennae
What are the 4 stages of growth that an insect goes through called?
Complete Metamorphosis
What is the biggest group of invertebrates called?
insects
Why do fisherman dislike starfish?
they like to eat clams and oysters
This animal walks on special structures called tube feet
The starfish
The Viceroy butterfly looks just like what other butterfly to protect itself?
The Monarch (this is an example of mimicry)
What is antennae?
An insects feelers or main sense organs. It can use them to smell, hear, and even taste.
Can all insects hear?
No
What are the sharp projections sticking out of the sides of earthworms called?
Setae
What are young spiders called?
spiderlings
What are the tiny holes on an insects sides called (used for breathing)?
Spiracles
What is an animal without a backbone called?
Invertebrate
Are spiders insects?
No. Insects have 6 legs, spiders have 8.
What is setae
Sharp projections sticking out of the sides of earthworms. It helps them hold tightly to the walls of its tunnel.
Mosquitoes are very tiny. Why can you hear them?
It beats its wings VERY quickly. It can beat its wings 300 times a second.
What are 3 ways an octopus defends itself?
1. camouflage, 2. spray ink, 3. jet propulsion
Why do invertebrates move slowly on cold days and quickly on warm days?
They are cold-blooded
What is a tentacle?
A flexible limb of an invertebrate (like an octopus)
What is mimicry?
To look like something else. Like when a harmless animal looks like a harmful one to protect itself.
What are the arms of an octopus called?
tentacles
What are the 4 stages of growth that an insect goes through?
Egg, Larva, Pupa, and Adult
How many main body parts do spiders have?
2 (a head and an abdomen)
What is an invertebrate?
An animal without a backbone
What does the abdomen of an insect contain?
heart and stomach. It also has tiny holes on its sides called spiracles.
What are spiracles?
The tiny holes on an insects sides used for breathing
What color is an insects blood?
Green, yellow, or clear
What is ballooning?
When a spiderling leaves the egg case. It points its abdomen into the air, spins a silk thread, and the wind carries the spider away.
What is the thorax?
It is the insects motor room. There are wings and legs.