Unit 2 Revision

The diagram that shows the feeding relationship between plants and animals is called __________.

A ___ is a home in the environment for plants and animals.

Which animal is a herbivore?

• deer

• bear

• dog

• cheetah

Look at the food chain. There are 4 organisms A, B, C and D.

A -> B -> C ->D

What can we do decrease the population of D?

• Increase the population of C

• Decrease the population of C

• Increase the population of A

• Decrease the population of B

The animal that is hunted and eaten by other animal is called ______________.

What are the two gases that can cause acid rain?

• sulfur dioxide

• nitrogen oxide

• carbon monoxide

• oxygen

The poisonous gas released by car and motorcycles is called ______________.

______________ is a site of huge pile of rubbish near towns that are later covered with soil.

Look at the food web.

Which number is the producer?

• 1

• 2

• 3

• 4

Look at the food web.

Which number is the omnivore?

• 2

• 3

• 4

• 5