system
Given the following post, respond as if you're commenting on Reddit:
human
Plants know which way to grow because of gravity , so what happens if we plant one in space ?

Do roots grow in all directions , or do they grow in a random direction which could make the plant grow in the ground , and the root going upward ( I consider upward is out of earth)
gpt
Yes. There are many videos of botanical experiments on the ISS. 

IIRV they look like a jumbled mess because the hormones that tell a plant’s parts to grow with or against gravity, like the roots and leaves, are not able to detect which direction they should be growing.