Changes in an organism's habitat and Speciation
When some members of a sexually reproducing population change a lot that they are no longer able to produce viable, fertile offspring...
Role of mutations in evolutions
A mutation is a change in DNA, which affects how it looks, how it behaves, and its physiology. So a change in an organism's DNA can bring...
One of the mechanisms of evolution: Non-random mating
Since non-random mating occurs when a certain organism choose desirable traits over less desirable traits, it gives more opportunity to...
Theory of Natural Selection by Darwin
Charles Robert Darwin was an English naturalist and geologist, who contributed to evolutionary theory. On the Galapagos Islands, he...
Early Theories of Evolution: 17th-19th century discoveries
CATASTROPHISM There are a number of examples of Catastrophism; volcanoes, floods, and earthquakes. These were responsible for mass...
