I believe 2 in first options, and number 2 in second options
The answer for this question is "founding population arrives, biogeographic isolation occurs, genetic changes occur, reproductive isolation results" so it is letter A
Answer:
Humans
Explanation:
Humans are bigger than most beings and some people are extremely obese.
Yes, it's true for all living organisms.
All animals/plants are made up of cells, and DNA contains the info/data for these cells to develop properly.
If you think about evolution more broadly, all living organisms evolved from single-cell organisms, so it would make sense that DNA is an important part of all of their growth/development.