Evolution are the changes in the gene pool of a population over time. Evolution are the changes in the gene pool of a population over time


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Evolution are the changes in the gene pool of a population over time.

  • Evolution are the changes in the gene pool of a population over time.

  • Natural selection process by which individuals that are better suited to their environment survive and reproduce most successfully.

  • Adaptation is an inherited characteristic that increases an organism’s chance of survival.













A well tested idea that explains an observed phenomena



Populations have natural Variation

  • Populations have natural Variation

  • Overproduction of offspring.

  • Struggle for existence.

  • Unequal survival and reproduction rates. (Those with traits more likely to help them survive will pass traits to their offspring)



A group of individual organisms that are capable of reproducing and produce fertile offspring.

  • A group of individual organisms that are capable of reproducing and produce fertile offspring.

  • When organisms can no longer reproduce or do not produce viable offspring then they are no longer the same species.





Based on his observations, Darwin proposed that EVOLUTION occurs by NATURAL SELECTION.

  • Based on his observations, Darwin proposed that EVOLUTION occurs by NATURAL SELECTION.

























Darwin published his book The Origin of Species in 1859

  • Darwin published his book The Origin of Species in 1859

  • His findings are still supported today by further evidence and the scientific community.






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