Adaption And Interdependence

Question 0

What are extremophiles?

Answer 0

Organisms which are adapted to live in conditions where enzymes won’t usually work because they would denature

Question 1

What is meant by an ‘adaptation’?

Answer 1

A feature which allows organisms to live in a particular habitat

Question 2

Why do large animals find it difficult to cool down?

Answer 2

They have smaller surface areas compared to their volume.

Question 3

Why do some desert animals shelter durning the day?

Answer 3

To stay cool and to conserve water

Question 4

List the ways a plant can conserve water

Answer 4

They may have curled leaves, stomata situated away from heat and wind, waxy leaves, small leaves, or water storage in the stems.

Question 5

List the ways plants can be protected from being eaten by animals

Answer 5

Plants may have thorns, poisonous chemicals or warning colours

Question 6

Why do animals need a territory?

Answer 6

So they can find enough food and water. They also need space or shelter to protect and rear their young.

Question 7

Why do plants try to spread their seeds as far as possible?

Answer 7

To reduce competition for water, light, space and mineral ions

Question 8

Give the adaptations of a flea and explain them

Answer 8

Sharp, sucking mouthparts.
Flattened body.
Hard body.
Long legs.

Question 9

Give the adaptations of a tapeworm and explain them.

Answer 9

Hooks and suckers.
Long flattened body without a gut.
Segments.
Thick cuticle.

Question 10

What are the four forms of the malaria parasite?

Answer 10

Gametocytes - human blood
Sporozoites - salivary glands
Merozoites - liver
Schizonts - red blood cells