Trophic Levels and Energy Flow in a Food Chain

great-egret-feasts-on-a-fish

What is a Food Chain? In all ecological communities, living organisms feed to get the energy that sustains their growth, movement, and reproduction. Accordingly, communities of organisms have to feed on each other creating a system whereby each organism is eaten and, in turn, it is eaten by another organism. This system is what is … Read more

The Carbon Cycle

carbon-cycle

What is the Carbon Cycle? By now we’ve all heard of the expression the cycle of life. Keep this in mind as you briefly learn how the carbon cycle originated and how it operates within our earth’s ecosystem today. Today, it remains an evolutionary process of keeping checks and balances and restoring a natural order … Read more