Question

A scientist plants seedlings in different conditions to demonstrate how plants respond to their environment. Which of these observations provides evidence of gravitropism?
a

Seedlings planted in containers that are tipped over sideways grow sideways.
b

Seedlings planted in containers that are tipped over sideways extend their roots downward.
c

Seedlings planted near a stick wrap around the stick.
d

Seedlings planted away from a source of sunlight grow toward the light.

Answer 1

b