Process by which modern organisms have descended from ancient organisms

Different, yet ecologically similar, animal species inhabited separated, but ecologically similar, habitats around the globe

Different, yet related, animal species often occupied different habitats within a local area

Darwin noticed that some fossils of extinct animals were similar to living species

Who said that past geological events can be explained by the processes that occur today?

Who said that unless that the human population stopped growing, we would run out of food to feed everyone?

According to Lamarck, how did evolution occur?

nature provides the variations, and humans select the traits they find useful

What three requirements are necessary in order for natural selection to occur?

Organisms' traits seem to go along with their what?

Any heritable characteristic that increases an organism's ability to survive and reproduce in its environment

The better suited an organism is to it environment...

A structure that had a function in ancestral species, but no longer serves that function.

The study of where organisms live now and where their ancestors lived in the past.

Descendants of the earliest organisms spread into different habitats

Structures that are shared by related species and that have been inherited from a common ancestor

Proteins like cytochrome c that can be found in many different organisms

Process of using radioactive decay to give an absolute age of a rock.

Body parts that share a common function, but not structure, and different ancestry

Life's genetic code is considered to be what?

If two embryos of different species share similarities, what does this mean?

What trait of finches did the Grants look at when testing natural selection?

Four steps of Natural selection

Name of Larmarck's theory of evolution