To get the greatest production of food with normal sunlight, crops have been developed with greater leaf surface area
fungus
more chloroplasts
less stomata

because the asteroid belt is between the mars and jupiter orbits, it is around 2.2 to 3.2 astronomical units (au) from the sun – which is approximately 329,115,316 to 478,713,186 km. the average distance between objects is a massive 600,000 miles.

explanation:

cell regulation is conducted by special proteins.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link: