HBio Evolution Part 2 Summative

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

• natural selection
• inheritance
• artificial selection
• descent withOUT modification

The Physical remains of a plant or animal preserved in rock or Earth's crust. 

• Adapt
• Fossil

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

• increase in number
  
• become extinct
  

Some organisms that share a common ancestor have features that have different functions, but similar structures.  These are known as

• vestigial structures
• analogous structures
• homologous structures
• fossil structures

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 

The main conclusion Darwin reached after his return from the Galapagos Islands was that

• Species change over time

• The animals on the islands were the same as those on the mainland

• Populations do not change over time

Which animal is the turtle most closely related to?

• Human

• Frog

• Cat

• Viper

Evolutionary changes occur when _____ acts upon populations containing individuals with genetic differences.

• mutations

• genetic drift

• natural selection

Which of the following is not likely to contribute to evolution within a population?

• Mutation

• Genetic Drift

• Mass Extinction

• Unchanging environment

A species of cave beetle that lives in total darkness is blind but has remnants of what looks like eyes. These “eyes” are...

• adaptations

• vestigial structures

• homologous structures

• embryology