Question

what are the xerophytic adaptation?

Answer 1

Xerophytic adaptations are morphological and physiological characteristics that enable an organism to survive under conditions of water deficit.

Conifers possess many adaptations that enable them to conserve water. The following are examples of adaptations that conifer leaves possess which serve to prevent water loss:



Thick cuticle
Sunken stomata

Hypodermis
Needle-like leaves


The cuticle is thick and it is composed of a waxy substance that prevents water loss through the epidermis. Sunken stomata serve to prevent water loss by increasing the relative humidity in the vicinity of each stoma. The hypodermis is composed of thick-walled cells that are compactly arranged beneath the epidermal layer. These cells hinder the passage of water into the epidermal layer. The needle-like leaves reduce the surface area from which water can evaporate.

Hope this will help you..

Answer 2

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• Xerophyte adaptations increase water intake, limit water loss, and store water efficiently. Water intake adaptations include deep or widespread roots, and high salt content to increase osmosis. Xerophytes have thick cuticles, lost or finely divided leaves, reduced stomata, and CAM photosynthesis.