New York State Chemistry RegentsNew York State Earth Science Regents

 
Living Environment Regents June 2008 Question 13 PDF Print E-mail
Thursday, 23 April 2009 05:55
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Natural selection acts on the phenotype, or the observable characteristics of an organism, such that individuals with favorable phenotypes are more likely to survive.

Natural selection acts on an organism's phenotype or physical characteristics. A phenotype is any observable characteristic or trait of an organism: such as its morphology, development, biochemical or physiological properties, or behavior. Phenotypes result from the expression of an organism's genes as well as the influence of environmental factors and possible interactions between the two. The genotype of an organism is the inherited instructions it carries within its genetic code

Correct Answer: Option 2
 

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