grade 4 , lesson 5

Amphibians are adapted to live in ...... that suits their adaptation.

• dry environment

• moist environment

• arctic environment

• sandy environment

Starred agama and salamander,

• both are reptiles.

• both are amphibians.

• the first is a reptile, while the second is an amphibian.

• the first is amphibian, while the second is reptile.

If amphibians have gills and they don't have lungs and also cannot respire through skin, then

• they cannot live outside water.

• they can live outside water.

• they cannot live under water.

• they can live in desert landscapes.

Amphibians can take in oxygen gas from

• water only.

• air only.

• food and air.

• water and air.

In rainforests, we can find

• panther chameleon and arctic foxes.

• amphibians and fennec foxes.

• arctic foxes and fennec foxes.

• panther chameleon and amphibians.

If the number of an animal species becomes zero due to severe changes in its natural habitat, this means that this species

• becomes endangered.

• becomes extinct.

• going to be extinct.

• will survive.

Both humans and amphibians breathe in oxygen. Which of the following sentences is correct?

• Both can breathe in oxygen gas through lungs.

• Both can take in oxygen gas through skin.

• Humans can breathe in oxygen gas from water and air.

• Amphibians can breathe in oxygen gas through gills.

Blood vessels that carry oxygen gas in amphibians, present in

• skin and digestive system.

• lungs and eyes.

• digestive system and eyes.

• skin and lungs.

Amphibians, lizards, trees, birds, fish and humans............

• some of them need oxygen gas to respire.

• some of them need carbon dioxide gas to respire.

• all of them need oxygen gas to respire.

• all of them need carbon dioxide gas to respire.

If a pond where some frogs live is highly polluted with wastes and viruses. What you have to do to preserve these frogs ?............

• Fill in the pond with sand.

• Dry this pond from water.

• Supply this pond with more oxygen gas.

• Transfer these frogs to a clean water habitat.