I
II
III
100

Which animals have backbones?
A) Vertebrates
B) Invertebrates
C) Arthropods
D) Insects

A) Vertebrates

100

What do you call animals without backbones?
A) Mammals
B) Vertebrates
C) Invertebrates
D) Amphibians

C) Invertebrates

100

What does your spine protect?
A) Your stomach
B) Your spinal cord
C) Your heart
D) Your lungs

B) Your spinal cord

200

Snakes slither on the ground, but what helps them move?
A) Slime on their skin
B) Ribs attached to their vertebrae and strong muscles
C) Tiny legs hidden inside
D) Their tail only

B) Ribs attached to their vertebrae and strong muscles

200

What does a bird’s backbone help it do?
A) Swim
B) Fly and hold its head up
C) Make a nest
D) Grow feathers

B) Fly and hold its head up

200

What are sharks’ backbones made of?
A) Hard bone
B) Cartilage
C) Muscle
D) Skin

B) Cartilage

300

What makes toads vertebrates, just like hippos and humans?
A) They have slimy skin
B) They can hop
C) They have a backbone inside their body
D) They live both on land and water

C) They have a backbone inside their body

300

About what percent of animals on Earth are invertebrates?
A) 10%
B) 25%
C) 50%
D) 95%

D) 95%

300

Which group makes up the largest number of invertebrates?
A) Reptiles
B) Insects
C) Amphibians
D) Mammals

B) Insects

400

Which fact is true about insects?
A) They have 6 legs and 3 body parts
B) They have 8 legs and 2 body parts
C) They all live in water
D) They have no skeleton at all

A) They have 6 legs and 3 body parts

400

Which fact is true about arachnids like spiders and scorpions?
A) They have 6 legs and 3 body parts
B) They have 8 legs and 2 body parts
C) They are fish with gills
D) They are reptiles with scales

B) They have 8 legs and 2 body parts

400

What is an exoskeleton?
A) A soft covering on the skin
B) A hard covering on the outside of the body
C) A backbone inside the body
D) A type of muscle

B) A hard covering on the outside of the body

500

Which of these is a crustacean?
A) Snake
B) Toad
C) Lobster
D) Butterfly

C) Lobster

500

Which of these is NOT in the animal kingdom?
A) Tiger
B) Housecat
C) Tree
D) Turtle

C) Tree

500

In classification, as you go down the chart, what happens?
A) You add more animals
B) You eliminate animals that don’t match
C) You guess which animal is left
D) You start over

B) You eliminate animals that don’t match

M
e
n
u