evolution Flashcards
the process by which living things change over time. It’s the result of genetic variation, natural selection, and inheritance.
evolution
A trait or behavior that helps an organism survive in its environment.
adaption
The way nature chooses which organisms survive and reproduce based on their traits.
natural selection
When a species completely disappears and no longer exists.
extinction
Differences in traits among individuals of the same species.
variation
A change in DNA that can create new traits in organisms.
mutation
An early form of a species from which later species evolved.
ancestor
A collection of fossils that shows how life has changed over millions of years.
fossil record
A group of living things that can reproduce and have offspring.
species
The preserved remains or traces of ancient organisms found in rocks.
fossil
