Eli5 how does a plant know which way to send its roots? Even if a seed is upside down, it will send its roots down and it’s leaves up.

Question

Eli5 how does a plant know which way to send its roots? Even if a seed is upside down, it will send its roots down and it’s leaves up.

In: 1

Answer 1

It’s thru a mechanism called “phototropism,” which describes a plant cell’s genetic response to the presence or absence of light.