Natural Selection

Why do peppered moths tend to be the same color as the trees on which they live?

• The coloring goes along with tasting like the tree. 
• It keeps the moth the same temperature as the tree. 
• It makes the moths faster than the birds
• It makes the moths harder to see.

Which of these is an example of natural selection?

• The largest animal in a population will have more opportunities for reproduction.
• Several species of organisms work together so that they all succeed.
• One species takes all the resources in an environment leaving none for others.
• Organism that are best suited to an environment tend to survive and reproduce more often.

What adaptation makes the most sense for living in a cold snowy area?

• gills

• colorful wings

• white fur

• striped skin

Chameleons are reptiles that have the ability to hide from predators and prey by blending in with their environment. They can change the pattern and/or color of their skin. This ability is known as --

• natural selection

• imitations

• mimicry

• camouflage

An example of a behavioral adaptation is

• The long neck of a giraffe
• Penguins huddling together for warmth
• A camel's hump used to store water
• A polar bear's white fur used for camouflage

Which organism would be least likely to survive a migration?

• A deer with an extra horn

• A bird flying with a flock

• A monarch butterfly with a damaged wing

• A bison that joins a herd

The change over time in populations of related species.

• biological evolution
• transition
• variation
• adaptation

A slight difference in an inherited trait between individual members of the same species.

• variations
• adapatations
• homologous structures
• analogous structures

An inherited trait that increases an organism's chance of surviving and reproducing.

• variation
• adaptation
• vestigial structure
• mutation

Studying the development of ____ can provide scientists with evidence that certain species are related.

• fish
• embryos
• Tiktaalik
• vestigial structures