Evolution Quiz 1

Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest.

• Extinction
• Speciation
• Natural Selection
• Artificial Selection

Natural selection explains HOW organisms change over time. What is the process in which populations are changed over time?

• Digestion

• Elimination

• Evolution

• Adaptation

Mutations are a change in what?

• DNA
• tRNA
• genotype
• phenotype

What word describes a trait that helps an organism survive in its environment?

• natural selection

• mutation

• camouflage

• adaptation

According to natural selection, light colored tree trunks would favor ___________________________.

• light colored moths

• dark colored moths

• red colored moths

• red and light colored moths

A slight difference in an inherited trait between individual members of the same species. (Example: Some rabbits have white fur and some have black fur.)

• variations

• adapatations

• homologous structures

• analogous structures

Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired phenotype.

Change over time

• Natural Selection
• Selective Breeding
• Homeostasis
• Evolution

Which best describes mutations?

• Always helpful
• Always harmful
• Can be helpful or harmful
• Always neutral

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

• vestigial structures
• homologous structures
• adaptive radiation
• fossil