EvolutionThe process by which different kinds of living organisms developed and diversified from earlier forms
Definitions:
The process by which species of organisms arise from earlier life forms and undergo change over time through natural selection
SpeciesA class of living things that have common attributes
Definitions:
A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
FossilThe remains or imprint of an organism from a previous geologic time
Definitions:
A fossil is the remains or trace of an ancient living thing that has been preserved in rock or other geological deposit, often in petrified form.
Natural SelectionThe process where organisms with favorable traits are more likely to reproduce
Definitions:
The process whereby organisms better adapted to their environment tend to survive and produce more offspring.