Biology

Lyell

Argued that gradual geological processes have gradually shaped earths surface

Malthus

Argued that human populations grow faster than the resources they depend on

Evolution

Change in species over time

Lamarck

Developed a theory of evolution at the same time as Darwin

Wallace

His theory of evolution unifies all of biology

Fitness

In organisms relative ability to survive and produce fertile offspring

Darwin

One of the first scientists to propose that species change over time

Artificial selection

Selecting for plants and animals with useful traits

Hms beagle

Ship on which Darwin served as a naturalist

Galápagos Islands

Small volcanic island where Darwin made many important observation

Inheritance of acquired characteristics

States that traits an organism develops during its own lifetime can be passed on to offspring

Natural selection

The process by which evolution occurs