habitat, ecosystem, predator, prey, food chains, carnivore, herbivore, omnivore, scavenger, mountains, marsh/swamps, coast, plain, desert, forest, polar, ocean, Georgia, organism, Coastal Plain, Piedmont, Atlantic Ocean, Indian Ocean, Arctic Ocean, Pacific Ocean,Ridge and Valley, Appalachian Plateau
pollution (air, land, and water), conservation, environment, aerosol, ozone layer, acid rain, littering, recycle, reduce, reuse, biodegradable, non-biodegradable