Answer:
A
Explanation:
While the other answer choices are things that the sunflower does, heliotropism displays the characteristic that sunflowers require energy. Since they are following the sun, it shows how they are constantly needing energy
The characteristic of life the sunflower display with moving in this way in order to maximize photosynthesis for the actively growing parts of the flower is requires energy. The correct option is A.
Heliotropism is a character or process of plants in which they show seasonal or diurnal movements of plants toward the sun. These movements are to get more sunlight during that time of less sunlight.
These plants show these movements of plants to get more sunlight for growth and development. The sunflower is a very big flower, and it is a common example of heliotropism.
Sunflower by showing heliotropism shows its requirement for more energy and to do photosynthesis. To produce more energy they move towards the sun, to get the sunlight to perform photosynthesis.
Thus, the correct option is A. requires energy.
To learn more about heliotropism, refer to the below link:
https://brainly.com/question/1273817
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