Concept explainers
To discuss:
The adaptation of the leaves for photosynthesis according to the climate.
Introduction:
Photosynthesis is the process by which plants convert nutrients into food, in the presence of sunlight and water. The leaves are the site of photosynthesis. In order to adapt to the climate, the leaves undergo modification and regulation.
Explanation of Solution
The adaptation of leaves are as follows:
In xerophytic habitats, the leaves are fleshy and thick with water storage tissues. It allows the plant to conserve limited supply of water and not dry up.
In desert areas, the leaves are spine or needle-like to avoid excess water loss.
The size of the stomata is regulated, based on the climate conditions. When the weather is dry, the stomata reduce in size, to prevent excess loss of water. Under humid conditions, the stomata open wider to allow more water absorption.
In areas where there is a struggle for
For plants that need to breathe in water, the leaves sprout adventitious roots to allow them to float on water.
According to the availability of the sunlight and water, cvarious plants have adaptation to survive in that particular environment.
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Chapter 36 Solutions
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