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 ▸

What are the five stages of mitosis?


Explain the role of enzymes in digestion? (4 marks)


Inheritance and Genetics: Explain the offspring genotypes and phenotypes when two heterozygous individuals reproduce.


Explain how shivering helps to raise a persons body temperature.