It goes
Cell -> Tissue -> Organ -> Organ System -> Organism
So the answer would system level :)
Answer:
Mutations and sexual reproduction increase genetic variation in a population. Natural selection occurs when environmental pressures favor certain traits that are passed on to offspring. ... Individuals may mutate, but natural selection acts by shifting the characteristics of the population as a whole.
Explanation:
They use sunlight energy, water , and minerals to grow and change
The smoke increases effectively increasing the planetary albedo, forcing is less however and tends to be insensitive to the solar geometry
For the first question-a bicep is a large muscle in the upper arm which flexes the arm and forearm, a tricep is a large muscle at the back of the upper arm and a deltoid is a thick triangular muscle covering the shoulder joint and used for raising the arm away from the body.
