Natural Selection.

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Presentation transcript:

Natural Selection

Darwin Proposed That Natural Selection Or Survival of the Fittest Causes Macro-Evolution.

Think Critically: Does Information Need To Be Added To The DNA In Order To Have a More Complex Organism?

Think Critically: What Is the Driving Force Behind Natural Selection? Name Some Causes of Natural Selection..

The Driving Force Behind Natural Selection Is Random Chance Events Such As Weather, Food Supply, Predators, Shelter, Geological Events, etc.

Think Critically? Can Natural Selection Add Information To The DNA?

Natural Selection Occurs Only On Living Organisms So Hasn’t the Information Content Of the Organism Already Been Determined At the Time Of Origination? How Can It Affect the Genetic Information In That Organism’s DNA?

Think Critically: What Kind Of Evolution Does Natural Selection Affect?

Natural Selection CANNOT Add Information To The DNA So It CANNOT Be A Factor in Macro-Evolution But CAN And DOES Cause MICRO-EVOLUTION.

An Example of Micro-Evolution

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