Evolution II Objectives

-Define the following: variations, Natural Selection, survival of the fittest, speciation

-Contrast how Darwin explained the evolution of the giraffe’s long neck

-State the weakness of Darwin’s theory (hint: did he know about genetics?)

-Define the following:
     -Population genetics

     -Population

     -Gene frequency

     -Gene pool

-State the Hardy-Weinberg principle

-List the 4 conditions that must occur for the Hardy-Weinberg Law to hold true

-Explain 2 reasons why the failure of this Law to work is still helpful to scientists.

-Explain what the Modern Theory of Evolution adds to Darwin’s Theory of Evolution

-Define “variations”. Including what causes them

-Contrast the terms variations and adaptations

-Discuss the process of natural selection, use specific examples

-Describe the  2 steps involved in speciation

-Define geographic isolation, explain how it leads to speciation; give one example

-Explain reproductive isolation

-Compare and contrast gradualism with punctuated equilibrium, and draw a graph of each.

-Explain the “heterotroph hypothesis”, include:

     -What this hypothesis attempts to explain

     -The make-up of primitive earth’s atmosphere

     -The temperature and energy sources of primitive earth

     -A detailed description of Stanley Miller’s famous experiment, and what he discovered

-State whether the first living things were heterotrophs or autotrophs?

     -Aerobes or Anaerobes?

-State what anaerobic respiration (fermentation) added to the atmosphere

-State where the first living things developed

-State the sequence of development of life on earth in terms of the type of organism