Natural Selection

When an environment changes faster that an species can adapt, the most likely outcome is...

• ...biological evolution.
• ...voluntary mutation
• ...species extinction
• ...selective breeding

This picture shows how a scientist how a scientist might use this type of data to decide if an animal is closely related or not.

• Comparing the anatomy of a living animal to an extinct one

• Comparing the DNA of a living animal to another living animal

• Comparing the anatomy of a living animal to another living animal

• Comparing the development of one living animal to another

Charles Darwin observed that finches of different species on the Galápagos Islands have many similar physical characteristics, this supports the hypothesis that these finches

• are twins

• acquired traits through use and disuse.

• all eat the same type of food.

• descended from a common ancestor.

How do you "win" at natural selection?

• survive

• go extinct

• survive & reproduce

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

• natural selection

• mutation

• camouflage

• adaptation

What is another name for natural selection?

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

If an organism can't adapt fast enough, this might happen.

• hibernate
• stay the same
• live longer
• become extinct

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

• natural selection

• mutation

• camouflage

• adaptation

Individuals in this population show the results of...

• Variation

• Natural Selection

• Artificial Selection (Selective Breeding)

• Genotypes and Phenotypes

Evolution works by 

• individuals changing to suit their environment
• Individuals learned new traits and pass them on
• sudden change in the environment cause a species change 
• small changes pass down through many generations