Ecology is the study of interactions among living things, and between living things and their surroundings. Every ecosystem includes both living and non-living factors. Energy is such an important concept as it fuels every food chain and web in our planet. There is both positive and negative interactions between ecosystems and unfortunately in the past 100 years there's been many new issues our planet has dealth with. Not only will we understand new vocabulary and concepts but learn about the value of conserving and protecting our earth.