Wolves are causing a trophic cascade of ecological change, including helping to increase beaver populations and bring back aspen, and vegetation.beavers.
Answer: Allopatric Speciation
Explanation:
Allopatric speciation occurs when new distinct species are formed due to the separation of a specie into two separate groups. These two groups are kept away from each other.
In allopatric speciation there is no exchange of genes between the two separate groups.
Allopatric speciation can also be known as geographical speciation.
Answer:
Explanation:
1.Variation is the result of speciation as species have evolved over time to adapt to enviromental changes
Answer:
climatologists
Explanation:
they are the ones studying the effects of global warming on earth's climate
