Topic 6 - Extreme Adaptations

Question 1

What type of environments are many plants adapted to survive in?

Answer 1

Extreme environments

These adaptations help them cope with harsh conditions.

Question 2

What is one adaptation of desert plants regarding leaf shape?

Answer 2

Many desert plants do not have leaves or have very small leaves

This reduces water loss through transpiration.

Question 3

What is the purpose of a waxy cuticle on leaves?

Answer 3

To prevent evaporation of water

This adaptation is crucial in environments where water is scarce.

Question 4

What are stomata?

Answer 4

Small pores on the surface of a leaf

They help regulate water loss and gas exchange.

Question 5

What is the function of stomata in extreme environments?

Answer 5

They can be closed to prevent evaporation and opened for carbon dioxide intake

This adaptability is vital for photosynthesis.

Question 6

Fill in the blank: Many desert plants do not have leaves or have very ______ leaves.

Answer 6

small

This adaptation minimizes water loss.

Question 7

True or False: The presence of a waxy cuticle on leaves helps in water retention.

Answer 7

True

It is an adaptation for survival in dry environments.

Question 8

List two adaptations that help plants survive in extreme environments.

Answer 8

• Leaf shape and size
• Presence of a waxy cuticle

Both adaptations help minimize water loss.