A feature that allows an organism to better survive its environment

This scientist believed that if an animal (like a giraffe) stretched out its neck for extended periods of time, it would lengthen its neck, and that characteristic would be passed down to further generations.

The theory that the Earth became what it is today through a string of natural disasters.

a system in which individuals that have inherited beneficial adaptations produce more offspring on average than other individuals (with non-favorable adaptations) do.

This scientist was the first to propose that all life forms descended from a common ancestor. He also proposed that more complex life forms arose from less complex life forms.

Variation that occurs among members of the same species.

The ability of an organism to survive and pass its genes on to future generations.

The theory that land masses go through changes slowly, and over long periods of time.

The process by which humans choose which traits get passed onto the next generation

Variation that occurs among members of different species.

When the DNA and body functions of organisms are changed to help them survive.

When organisms change their patterns of behavior to survive.

This scientist published a book called Histoire Naturelle, believed all organisms had a common ancestor, and believed that the Earth was over 6000 years old.

Came up with the theory of Natural selection, and published a book called On the Origin of Species.

Variation that occurs among members of different species.