Question

During autumn, the leaves of the plants turn red and fall, resulting in complete defoliation of the trees. Which mechanism is taking place?. . . . Dormancy. . . . Senescence. . . . Photoperiodism.

Answer 1

the answer is A

Step-by-step explanation:

Answer 2

Answer: Dormancy

The phenomenon wherein the leaves of the plants turn red and fall during the autumn season followed by the defoliation of trees is a concrete example of dormancy. Dormancy refers to the time wherein plants don't grow and wait for necessary environmental factors like moisture, temperature and others.