Evolution

What is the term for a feature that allows an organism to survive in its environment?

• adaptation
• variation
• homologous structure
• vestigial structure

• analogous structures
• homologous structures
• vestigial structures
• none of the above

What is the process of which humans breed organisms for certain traits?

• artificial selection
• descent without modification
• inheritance of acquired characteristics
• natural selection

All the individuals of a species that live in a particular area are called a 

• group
• population
• variation
• fossil

Structures with the same parts have different functions; suggests that organisms share a common ancestry

• vestigial structures
• homologous structures
• adaptive radiation
• fossil

The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?

• Fossil A and C are the same age
  
• Fossil B is older than fossil C
• Fossils A is older than fossil B
• Fossil D is older than fossil C

What do we call a change in a species over time?

• Adaptation

• Evolution

• Extinction

• Environmental influences

What is embryology?

• the age of organisms
• the oldest stage of development
• the life span of an organism
• the earliest growth stage of development

What do we call structures that no longer perform their original function?

• Natural Selection

• Analogous Structure

• Vestigial Structure

• Homologous Structure

Mistakes or changes that occur int he DNA sequence are called....

• adatations
• Darwinism
• mutations
• natural selection