Which is an example of circadian rhythm in plants? a. the flowering of the four o’clock plant at the same time every day b. germination of a pea seed once favorable conditions are met c. the tendency of carrot roots to grow toward the soil

A. the flowering of the four o’clock plant at the same time every day

Explanation:

Circadian rhythm can be defined as a rhythm or pattern that occurs in biological processes as well as in living organisms such as plants and animals.

The Circadian rhythm is a pattern or rhythm that occurs for the period of 24 hours.

The Circadian rhythm can be affected and regulated by the presence of external stimuli such as sunlight . It can also be affected by temperature and this is because biological organisms can thrive at different and very broad ranges of temperature.

The functions of the circadian rhythm in living organisms include:

a. It is involved in the sleeping and eating pattern found in human beings

b. It is involved in the flowering pattern that is observed in plants.

c. It is also involved in the movement of plant leaves as well as photosynthesis.

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