4th grade animals and habitats

Question 1

Key: 1. Has legs? Yes → go to 2. No → go to 3. 2. Has 6 legs? Yes → beetle. No → spider. 3. Has a shell? Yes → snail. No → earthworm. An animal has no legs and no shell. What is it?

• A. earthworm
• B. beetle
• C. snail
• D. spider

Question 2

Is this an internal or an external structure: an eagle's talons?

• A. external (outside the body)
• B. internal (inside the body)

Question 3

Which special sense does this animal use: rattlesnake (pit viper)?

• A. echolocation: hears echoes of its own squeaks
• B. heat-sensing pits that "see" warm prey
• C. senses tiny electric signals from muscles of hidden fish
• D. sees ultraviolet patterns on flowers

Question 4

Which of these is an invertebrate that lives in the sea?

• A. shark
• B. jellyfish
• C. seahorse
• D. dolphin

Question 5

Is a snake a vertebrate or an invertebrate?

• A. vertebrate
• B. invertebrate

Question 6

Dogs are used to find people trapped after earthquakes. Why?

• A. They can see through rubble.
• B. They taste the air.
• C. Their sense of smell is far stronger than ours.
• D. They can hear radio waves.

Question 7

Which question would split a bat and a pigeon?

• A. Is it a vertebrate?
• B. Does it have feathers?
• C. Can it fly?
• D. Does it have wings?

Question 8

True or false? Bats are blind and use only smell.

• A. True
• B. False

Question 9

What does this internal structure do: lungs?

• A. take in oxygen from the air
• B. controls the body and processes information
• C. supports and protects the body
• D. breaks down food

Question 10

Which invertebrate group does a tick belong to?

• A. insect
• B. arachnid
• C. mollusc (mollusk)
• D. crustacean

Question 11

Why is a skull (an internal structure) important?

• A. It digests food.
• B. It protects the brain.
• C. It pumps blood.
• D. It helps you breathe.

Question 12

Why are mushrooms not classed as plants?

• A. They are too small.
• B. They grow in soil.
• C. They cannot make their own food by photosynthesis.
• D. They are not alive.

Question 13

Key: 1. Has needle-shaped leaves? Yes → go to 2. No → go to 3. 2. Needles in bunches of two? Yes → pine. No → spruce. 3. Leaves with lobes (rounded bumps)? Yes → oak. No → beech. A tree has needles in bunches of two. What is it?

• A. oak
• B. beech
• C. spruce
• D. pine

Question 14

Is this an internal or an external structure: the stomach?

• A. external (outside the body)
• B. internal (inside the body)

Question 15

Which special sense does this animal use: shark?

• A. feels its way with 22 fleshy tentacles on its nose
• B. senses tiny electric signals from muscles of hidden fish
• C. echolocation: hears echoes of its own squeaks
• D. tastes with its feet

Question 16

Which of these is an invertebrate that lives in the sea?

• A. jellyfish
• B. dolphin
• C. seahorse
• D. shark