Answer:
I think it finishing weather
Roots will always grow down due to geotropism. It is caused by the statocytes in the root cap. They sense the force of gravity and grow down according to it. But if the root does not have a root cap, then the plant will not necesarily grow down. And if the seed is layed on a flat place like a counter, then the roots will grow any which-way
The correct answer is secondary sexual characteristic.
These are the characteristics that start developing in humans during puberty. Primary sex characteristics are obviously reproductive organs, but secondary characteristics refer to pubic hair, enlarged breasts with females, and facial hair/Adam's apple with males.
Pituitary , FSH, TSH, acth, luteinizing, hormones, growth hormone
