It gives the characteristic trait of the organisms that can be good or bad to the survival of it environment. But to go into depth as each organisms die and the survival of each one reproduce it will come out as a natural selected to the survival of the environment aka Survival of the Fittest. :)
Microevolution<span> happens on a small scale (within a single population), while </span>macroevolution<span> happens on a scale that transcends the boundaries of a single species. Despite their </span>differences<span>, evolution at both of these levels relies on the same, established mechanisms of evolutionary change: mutation.</span>
Answer:
a,the ability to go from a single cell to multicellular organism
Answer: a tiny muscle connected to each hair follicle and the skin. When it contracts it causes the hair to stand erect, and a "goosebump" forms on the skin.
