Evolution Vocabulary

STUDY
PLAY

Terms in this set (...)

Adaptation
Characteristic that increases chance for survival and reproduction
Evolution
Changes in species through time
Extinction
When the last member of a species dies without any surviving offspring
Fossil
An imprint or impression left by an organism that lived in the past
Law of superposition
The order of the sedimentary rock layers, the youngest layer is at the top (closest to the surface) and the oldest is at the bottom
Mutation
Changes in the DNA of a gene that leads to a different trait (NOT GOOD OR BAD, JUST DIFFERENT)
Natural selection
The process where certain traits give an individual a better chance for survival to pass on traits, which causes the population to increase that trait
Variation
Differences in individuals at the same species
Species
A group of organisms with similar characteristics that can successfully reproduce
Stratigraphic column
A diagram representing a series of rock layers
Trait
Specific characteristic that varies from one individual to another