Natural Selection

A group of similar organisms that can mate with each other and produce fertile offspring

• family

• species

• tissues

• class

The preserved remains or traces of an organism that lived in the past

• clone

• species

• fossil

• hybrid

A trait that helps an organism survive and reproduce

• adaptation

• dominant

• recessive

• clone

The gradual change in a species over time

• variation

• adaptation

• speciation

• evolution

A scientific ____________ is a well tested concept that explains a wide range of observations.

• hypothesis

• theory

• inference

• variation

The process by which individuals that are better adapted to their environment are more likely to survive and produce more offspring

• natural selection

• hybridization

• cloning

• variation

Any difference between individuals of the same species

• similarity

• variation

• theory

• population

Who is the scientist who developed the theory of evolution through natural selection?

• Crick

• Darwin

• Franklin

• Mendel

Many of the observations that Darwin made to help him develop the theory of evolution occurred on these islands

• Hawaiian

• Cape Cod

• Galapagos

• Aleutian

True or false: In the process of natural selection, less useful traits become more common in an population

• True

• False