Natural Selection and Survival of the Fittest

What is another name for natural selection?

• survival of the smartest
• survival of the fastest
• survival of the biggest
• survival of the fittest

What is a change in an organism that allows for it to survive in its environment?

• homologous
• vestigial
• variation
• adaptation

When all of the organisms of a species have died it is called

• evolution
• extinction
• adaptation
• natural selection

What is an organism that has similar characteristics and can reproduce?

• species
• organism
• embryology
• vestigial 

What is this an example of?

• diversity of species
• variation
• vestigial structures
• DNA studies

Which layer is the oldest?

• 1
• 2
• 3
• 4

Predict which moth would increase in population

• light 
• dark

Darwin wrote that organisms with traits that are best suited to the environment will ________________

• increase in number
  
• become extinct
  

Which term refers to the process by which individuals that are better suited to the environment survive and reproduce therefore passing down their genes to their offspring? 

• Evolution 
• Variation 
• Adaptation
• Natural Selection 

Two organisms that are closely related would have

• very similar DNA sequence
• exactly the same DNA sequences
• no proteins in common
• completely different DNA sequence