Evolution

Speciation is the evolutionary process by which:

 
 
 
 

The smallest biological unit that can evolve over time is

 
 
 
 

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

 
 
 
 

A mutation is:

 
 
 
 

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:

 
 
 
 

Which results from the process of natural selection and adaptation?

 
 
 
 

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

 
 
 
 

Natural selection operates to produce changes in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

Question 1 of 10

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