1.

How physical dryness differ from physiological dryness?

Answer»

1. Physical dryness: In these habitats, soil has a little amount of water due to the inability of the soil to hold water because of low rainfall.

2. Physiological dryness: In these habitats, water is sufficiently present but plants are unable to absorb it because of the absence of capillary spaces. 

Example: Plants in salty and acidic soil.



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