Question

As a sunflower grows, it bends toward the sun's light. This is an example of

Answer 1

This would be an example of a "response to stimulus

Answer 2

The correct answer is "Heliotropism".

Step-by-step explanation:

Heliotropism is defined as the movement that some plants have towards facing the sun, which can be seen during daylight and in certain seasons. The most clear example of heliotropism can be seen in sunflowers, which bends towards the sun as they growth. This form of tropism helps the plant to make more efficient its photosynthesis process and allow for more energy uptake to use it during nighttime.