'Positive geotropism is the effect of this force on plants causing their roots to grow downward'
gravity
BIOLOG: Positive geotropism is the effect of this force on plants causing their roots to grow downward
Positive geotropism is the effect of this force on plants causing their roots to grow downward
Positive geotropism is the effect of this force on plants causing their roots to grow downward
BIOLO"G"
gravity
BIOLO"G"