ExpertEasy1 markMultiple Choice
AQA GCSE · Question 05.6 · Organisation
Which plant species in Table 3 is most likely to live in a dry desert?
Which plant species in Table 3 is most likely to live in a dry desert?
Answer options:
A.
A
B.
B
C.
C
D.
D
How to approach this question
1. Consider the conditions in a dry desert (very little water available).
2. A plant living in a desert needs to be very good at conserving water.
3. Transpiration is the process of losing water.
4. Therefore, a desert plant would be adapted to have a very low rate of transpiration.
5. Look at Table 3 and find the plant species with the lowest rate of transpiration.
Full Answer
C.C✓ Correct
C
Plants that live in dry environments, such as deserts, are called xerophytes. They have specific adaptations to minimise water loss and maximise water storage. A key part of this is reducing the rate of transpiration. Looking at the data in Table 3:
- Species A: 310
- Species B: 254
- Species C: 87
- Species D: 192
Species C has the lowest rate of transpiration, meaning it loses water the most slowly. This is a crucial adaptation for surviving in a dry desert, so species C is the most likely to be a desert plant.
Common mistakes
✗ Choosing the plant with the highest transpiration rate, not understanding that desert plants need to conserve water.
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