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Question
How are cacti adapted to survive in the desert? (4 Marks)
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Solution
Adaptations of cactus to survive in the desert:
(i) Leaves are modified to spines to reduce water loss through transpiration. (1 Mark)
(ii) Stems are modified and are green so that it performs photosynthesis. (1 Mark)
(iii) Stems are covered with a thick waxy layer to retain water. (1 Mark)
(iv) Their roots go very deep into the soil to absorb water. (1 Mark)
Adaptations of cactus to survive in the desert:
(i) Leaves are modified to spines to reduce water loss through transpiration. (1 Mark)
(ii) Stems are modified and are green so that it performs photosynthesis. (1 Mark)
(iii) Stems are covered with a thick waxy layer to retain water. (1 Mark)
(iv) Their roots go very deep into the soil to absorb water. (1 Mark)
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