Definition:
a gradual process over long periods of time in which a species changes into a different and usually more complex or better form in order to adapt, live or survive in its changing environment.
Type of Speech:
ANCHOR (A North Carolina History Online Resource) is now its own website!
a gradual process over long periods of time in which a species changes into a different and usually more complex or better form in order to adapt, live or survive in its changing environment.