A root's four major functions are 1) absorption of water and inorganic nutrients, 2) anchoring of the plant body to the ground, and supporting it, 3) storage of food and nutrients, 4) vegetative reproduction and competition with other plants
Answer:
I believe its' called
Cell Cycle
Mitosis
Hope it helps.
Answer:
Water is least dense at 0°C (freezing point)
Insects has a broad range of species and they are able to easily adapt according to their surroundings, hence increasing their survivability rate
I would say immigration only.
emigration would theoretically reduce the genetic variation as unique individuals leave, but immigration would bring unique traits into circulation in an ecosystem.
I'm not super great at biogy tho so this might not be right... :)