BIOB51H3 Lecture Notes - Lecture 2: Orthomyxoviridae, Evolution, Scientific Theory

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25 Aug 2021
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Evolution is one of the most difficult biological concepts to grasp and teach: mechanisms are often challenging to describe, difficult to demonstrate and observe evolution in a teaching lab. Issues with scale and understand the concept of time. Biological evolution is any change in the inherited traits of a population that occurs from one generation to the next. There is no hierarchy but if there was theory > law. Law of gravity: if you drop something it will fall to the ground: this is a description, not an explanation, a theory that explains why is newton"s theory of gravity. Speciation happens as species evolve and change into new species. Humans and chimpanzees shared a common ancestor 5-7 million years ago. It might be hard to see how long of a time that is: 5 million years would be 20 years x 250,000.

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