DENDROLOGY

Detailed explanation-1: -Stomata in CAM plants open during the dark period and close during light period. Behavior of stomata in CAM plants is part of an adaptive mechanism evolved by plants that grow in hot and dry environments to conserve water (Lee and Assmann, 1992).

Detailed explanation-2: -They have a thick cuticle layer on the leaves that reduces water loss by transpiration. They possess long tap roots that reach deep under the ground to absorb water. Plants like succulents reserve water in stems, roots, leaves, and even fruits and also have waxy skin that prevents transpirational water loss.

Detailed explanation-3: -CAM plants have evolved a specialized type of photosynthetic adaptation that allows them to live under conditions of severe water deficit and in semi-arid and arid regions of the world including deserts.

Detailed explanation-4: -As Jake mentioned, there is year-to-year variation in weather, and plants respond slightly differently each year to accommodate this variation. This means that the same plant adapts to a range of climates.