What Has Occurred When Natural Selection Results in a Shift

question 78

Multiple Choice

What has occurred when natural selection results in a shift toward the average of a range of genetic expressions for a particular trait? 

• A) stabilizing natural selection 
• B) directional natural selection 
• C) discontinuous natural selection 
• D) diversifying natural selection

Understand the hybridization of nitrogen in heterocycles and the implication on lone pairs.

Name common allotropes of carbon and describe their structures.

Provide the structures of common heterocyclic compounds.

Predict the major organic product of specific halogenation reactions with aromatic compounds.

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