Question

give the scientific name of the following;
a) growing of roots towards the gravity .
b)growth independent move in plants​

Answer 1

Answer:

Roots grow downward, or towards the center of Earth, and away from light. These responses to external stimuli are called tropisms. Plants' growth response to gravity is known as gravitropism; the growth response to light is phototropism. Both tropisms are controlled by plant growth hormones.