Science Year 4 Chapter 3

What is the meaning of vertebrates?

• Animals that run fast

• Animals with backbones

• Animals that have feathers

• Animals that breathe with both lungs and moist skin

Which one of the animals are invertebrates?

• Chicken

• Snake

• Worm

• Whale

Answer explanation

Worms do not have backbones

Which of the following statements is true about this animal?

• It is a reptile

• It has gills to breathe

• It is classified as a bird

• It is a mammal that lay eggs

Answer explanation

Swan is an aquatic bird that can live on both land and in water

Platypus is a mammal animal that gives birth and lives mostly in water

• True
• False

Answer explanation

Platypus is a mammal that lay eggs and lives mostly in water compared to land

When I was young, I breathe through my gills. When I am an adult, I can breathe using my lungs and moist skin and live both on land and in water. Who am I ?

• Goose

• Snake

• Frog

• Fish

My name is Prawn, and I use my gills to breathe in water

• True
• False

Vertebrates are classified into

• 4 groups

• 5 groups

• 2 groups

• 6 groups

Answer explanation

Vertebrates classified into mammals, amphibians, bird, fish and reptiles.

Whale is a mammal that lay eggs and lives mostly in water

• True
• False

Answer explanation

Whale is a mammal that gives birth and mostly lives in water. They use lungs to breathe

Leech is an invertebrate because it does not have a backbone. It breathes through moist skin.

• True
• False

I breathe using lungs and I am a reptile. I lay eggs to continue my generations.

• True

• False