Biogeographic isolation means that a population is separated and there are two populations in two different areas. As normal mutations take place, but certain mutations will be seen as advantageous in the different areas. For. Example if an area had taller trees the organism may develop a gene to grow taller. This is then passed down to offspring. This process continues so that more gene differences are created within the species and the frequency of these alleles increased: leading to two different species developing-
Answer:
pollution/gas/plants/animals/littering
Explanation:
find a article that talks about those. start you sentence off by saying the things the our making our enverment bad and try finding quotes from the article you choose
lots of waste and dead leaves and things like that
dont plagarise ;)
The answer is most simply A
Yes when a tadpole "evolves" it will grow into something different