The Historic Importance of the Prairie Ecosystem to Monarchs (Back to Lesson) National Science Education Standards Life Science An organism's behavior evolves through adaptation to its environment. How a species moves, obtains food, reproduces, and responds to danger are based in the species' evolutionary history. (5-8) Biological evolution accounts for the diversity of species through gradual processes over many generations. Species acquire many of their unique characteristics through biological adaptation, which involves the selection of naturally occurring variations in populations. Biological adaptations include changes in structures, behaviors, or physiology that enhance survival and reproductive success in a particular environment. (5-8) Science and Technology, Social Perspectives, History of Science Women and men of all ages, backgrounds, and groups engage in a variety of scientific and technological work. (K-4) Changes in environments can be natural or influenced by humans. Some changes are good, some are bad, and some are neither. (K-4) Many people choose science as a career and devote their entire lives to studying it. Many people derive great pleasure from doing science. (K-4) National Geography Standards Environment and Society How human actions modify the physical environment.   This Season Teachers Kids Orientation Registration Search Copyright 1997-2009 Journey North. All Rights Reserved. Questions or comments? Contact us.