4.2 Adaptation in animals

Question 1

How do animals adapt to cold climates,

Answer 1

cold climate - thick ur, fat under skin (blubber
Arctic fox/hare - change colour with seasons to be better camouflaged
Behavioural adaptation - eg migration, hibernation
Usually large with a small surface area.

Question 2

How do animals adapt to hot climates

Answer 2

Adaptation to conserve water and stop them getting too hot (eg elephants ears
Behavioural adaptations hunt at night, live underground

Question 3

Why do large animals find it difficult to cool down?

Answer 3

They have a large volume compared to a small surface area (heat lost through skin) They have a large surface area:volume ratio

Question 4

How do animals adapt to the type of food they eat?

Answer 4

Teeth and mouth parts (eg carnivores have sharp teeth)

Digestive systems can eg cows have more than one stomach to help digest grass

Question 5

Are adaptations behavioural or physical?

Answer 5

Both