Life Science 3rd Grade Test

Question 1

Life Cycle

Answer 1

Stages an animal goes through it its life (frog, butterfly, grasshopper)

Question 2

A caterpillar changing to a butterfly is an example of:

Answer 2

metamorphosis

Question 3

List three plant adaptations and how they use them.

Answer 3

• thorns: to keep animals from picking or eating.
• taste: to keep animals from eating.
• bark: to protect the tree from insects/bugs.

Question 4

What are some ways seeds are dispersed?

Answer 4

• wind moves the seeds.
• animals bury a nut and forget about it.
• animal feces spread seeds the animal has eaten.
• seeds can stick to animals and be moved to a new location.

Question 5

When an animal sleeps during the winter and their normal body functions slow down

Answer 5

hibernation

Question 6

a behavior that an animal knows without learning it.

Answer 6

Instinct

Question 7

an animal searching for food when it is born is known as:

Answer 7

instinct

Question 8

A bear sleeping in a den during winter is an example of:

Answer 8

hibernation

Question 9

When a group of animals moves from one place to another each year at the same time it is known as:

Answer 9

migration

Question 10

Thorns are an example of

Answer 10

plant adaptation

Question 11

a bad taste is an example of

Answer 11

plant adaptation

Question 12

bark on a tree is an example of

Answer 12

plant adaptations

Question 13

A pitcher plant uses special leaves by

Answer 13

trapping insects inside so they can’t crawl out. The plant uses the nutrients from the insects.

Question 14

Camouflage helps an animal

Answer 14

blend in with its surroundings and not be seen by predators or prey.

Question 15

A spider spinning a web is an example of:

Answer 15

instinct

Question 16

A grasshopper changes: 1. egg 2. young nymph 3. older nymph 4.adult grasshopper

Answer 16

life cycle of a grasshopper

Question 17

One animal or plant imitating another is called:

Answer 17

mimicry