Animals 3º grade

Vertebrate animals have

(a)  

How many vertebrate groups are there?

• 2 groups (fish and molluscs)

• 5 groups (fish, birds, mammals, amphibians and reptiles)

• 4 groups (fish, mammals, birds and reptiles)

What animals are mammals? Tick

• Human

• Snake

• Bat

• Parrot

• Whale

Tick the TRUE sentences about vertebrate animals.

• Mammals have scales in their skin

• Birds have feathers in their skin

• Fish have scales in their skin

• Amphibians have hair in their skin

Mammals, reptiles, birds and amphibians (adults) breath with

(a)  

Fish and amphibians (babies) breath with

(a)  

How many invertebrate groups are there?

• Two groups (amphibians and worms)

• Three groups (worms, arthropods and amphibians)

• Three groups (worms, molluscs and arthropods)

• One group (arthropods)

Worms have

• long and soft body

• shell to protect their soft body

• no protection because their body it's hard

• skeleton because they are vertebrates

Arthropod's body is divided in

• 2 parts: head and thorax

• 3 parts: head, legs and wings

• 3 parts: head, thorax and abdomen

• 5 parts: backbone, head, legs and arms

Some molluscs like snails and mussels have __________ to protect their soft body

• shell

• exoskeleton

• bones