Evolution and Natural Selection Review

Salmon (fish) spend most of their lives in salt water but lay their eggs in fresh water. Their ability to survive in different environments is an example of a(n)________.

• developing

• habitat

• selective breeding

• adapatation

A CHANGE OVER TIME in a species due to changes in the environment is called ______________.

• evolution

• natural selection

• survival

• genetics

To adjust to a changing environment

• Mutation
• Adapt

What does "fittest" actually mean?

• Some organisms are faster / stronger than their counter parts.

• Organisms have different traits that make them well adapted to their environment.

• The smartest organisms always reproduce more

An accidental change in the DNA of an organism is called a...

• growth

• generation

• trait

• mutation

Charles Darwin came up with this theory 

• Natural Selection
• Mutation

Different animals with same basic structures can show close evolutionary relationships. Meaning, these animals had a common ancestor not so long ago. These structures will now have a different function, but similar bone structure. These structures are called...

• homologous structures

• analogous structures

Change over time...

• Evolution
• Nucleotide 

The eyes of the owl and the rabbit shown in the diagram below give each animal a different advantage. OWL - front-facing owl eyes allow the bird to better HUNT prey. RABBIT - side-facing eyes allow the animal to SEE PREDATORS. The specialized eye types of these animals are examples of...

• disruptions of the natural balance

• the interdependence of living things

• adaptations for survival

• involuntary responses to stimuli

Another word for adapt is ____________.

• change
• create