8 terms

Terms	Definitions
Evolution	change over time
Artificial selection	selection by humans for breeding of useful traits from the natural variation among different organisms
Natural selection	a natural process resulting in the evolution of organisms best adapted to the environment
Fossil	the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil
Variation	an organism that has characteristics resulting from chromosomal alteration
Adaption	inherited characteristic that increases an organisms chance of survival
Extinction	no longer in existence
Fossil record	chronological collection of life's remains in sedimentary rock layers

Flickr Creative Commons Images

Some images used in this set are licensed under the Creative Commons through Flickr.com. Click to see the original works with their full license.

• "Evolution" image
• "Artificial selection" image
• "Natural selection" image
• "Fossil" image
• "Variation" image
• "Adaption" image
• "Extinction" image
• "Fossil record" image

This product uses the Flickr API but is not endorsed or certified by Flickr.