Adaptive features of plants to desert conditions include ____________
A. thick barks, succulent stems and sunken stomata B. thin barks, succulent stems and sunken stomata C. thin barks, air floats on stems and sunken stomata D. air spaces on tissue, adventitious roots and thin barks
Correct Answer: A
Explanation
Plants living in desert show adaptations for reducing water loss and increasing water uptake. The adaptation for water loss include: (1) reduction of leaves to needles or spines, (2) sunken stomata, (3) thick waxy article, (4) leave shediding, (5) thick barks, (6) stomata open at night, and close during the day, succulent stems, etc. Adaptation for increased water uptake includes extensive shallow root system and deep roots, long roots etc.