Evolution

The process of mutation generates variation and produces adaptation to the environment.

 
 
 
 

Speciation is the evolutionary process by which:

 
 
 
 

Organisms produce many more offspring than can possibly survive on the limited amount of resources available to them. The offspring that are most likely to survive are those that:

 
 
 
 

Farmers have bred Neli-Ravi buffalo to produce more milk than older breeds. Which process was used to produce these cattle?

 
 
 
 

Which of the following pairs of structures is least likely to represent homology?

 
 
 
 

The smallest biological unit that can evolve over time is

 
 
 
 

A mutation is:

 
 
 
 

Which results from the process of natural selection and adaptation?

 
 
 
 

Natural selection operates to produce changes in:

 
 
 
 

Natural selection is sometimes described as “survival of the fittest.” Which of the following most accurately measures an organism’s fitness?

 
 
 
 

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