What is allopatric speciation?

When two populations of a species are isolated geographically (for example by a river, mountain, flood etc). The two populations adapt to different selection pressures and so then eventually evolve into two new species that can no longer successfully interbreed to produce fertile offspring.

IP

Related Biology A Level answers

All answers ▸

What is selective reabsorption?


What happens to the rate of an enzyme-catalysed reaction when temperature increases? And when pH changes?


What are the stages of aerobic respiration?


Describe the chemical composition of phospholipids and how they form cell membranes? (10 marks)