Question

Desert plants undergo a unique mode of photosynthesis due to the adaptation to its habitat. Justify the statement.

Answer 1

Answer:

In the desert, the plants are succulent and store water in fleshy leaves, stems or roots. The root system is highly developed for water absorption. In these pants the stem also performs photosynthesis. They have a thick cuticle on stems and leaves which protect from excessive transpiration. Desert plants follow the CAM pathway to prevent excessive water loss.

Answer 2

Explanation:

• The leaves and stems of many desert plants havea thick, waxy covering. This waxy substance doesnot cover the stomata, but it covers most of the leaves, keeping the plants cooler and reducing evaporative loss. Small leaves on desert plantsalso help reduce moisture loss during transpiration.

• Desert plants have developed three main adaptive strategies: succulence, drought tolerance and drought avoidance. Each of these is a different but effective suite of adaptations for prospering under conditions that would kill plants from other regions.

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