If populations of species become isolated, new species are more likely to develop. Explain why. (2 marks)
The organisms are unable to exchange genes outside of the isolated population. There may be different selective pressures which the organisms must adapt to. This means the features of the species may change so much that they can no longer interbreed successfully with the original species.
HM
Related Biology GCSE answers
All answers ▸Describe how a sperm cell is adapted to its role
During respiration, what gas is released as a waste product?
Why do cells divide? Why not simply get bigger?
During exercise changes happen at the skin involving blood vessels and sweat glands, describe these changes.