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Up ] Chemical Basis of Life ] Energy & the Living Cell ] Plants & Photosynthesis ] Genetics ] [ Theory of Evolution ]

There are many different explanations as to the origin of the earth and of species.  Three of the most common explanations are that life was carried to earth by extraterrestrial origin, the earth was made by a creator or supreme being, and evolution, where life may have evolved from inanimate matter.  Evolution is studied because it is based on science.  In this unit, students are taught to have an understanding of the concepts of evolution. 


The Darwin-Wallace theory of evolution
The ways that Charles Darwin gathered evidence and formed ideas
The Hardy-Weinburg law
Mechanisms that can lead to genetic variation in a population
Speciation with convergent evolution

Helpful Hints:

Consider all the possibilities of the origin of the earth.  Go into this unit with an open mind, ready to learn. 
Keep in mind that this theory has changed over the years, and different scientists have proposed different concepts.

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Quick Summary of the Unit

Sample Questions


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