• Easy to Understand Diagram of the Nitrogen Cycle

    Nitrogen can exist in 7 oxidation states, ranging from a valence of -3 to a valence of +5. An easy diagram of the nitrogen cycle shows how nitrite, nitrate, ammonia and proteins are interrelated in a simple nitrogen cycle. A more comprehensive nitrogen...
    By Harlan Bengtson December 1, 2014 

  • The Strange Saga of the Dawn Redwood

    The dawn redwood was believed extinct until Chinese refugees fleeing the Japanese WWII invasion came across several growing in remote villages of western China.
    By Henri Nielsen January 13, 2012 

  • Quiz on Habitats and Ecosystems

    It is common knowledge that ecosystems are important, but why are they so important and what is threatening them? Do you know the answers? Test your knowledge about ecosystems and learn more about how humans depend on, and threaten, natural habitats...
    By Cora Wilder October 27, 2011 

  • Rainforest Quiz: Dive Through the Canopy to Brush Up on Your Knowledge

    The whole family can have fun taking this quiz about one of our most complex and fascinating biomes, the rainforests! Test your knowledge about the many types of plants and animals that live there!
    By Arlene McKanic September 29, 2011 

  • Beauty Under Threat: A Guide to Rainforest Diversity and Deforestation

    With nearly five million identified species of plants, animals and insects the world's rainforests account for almost fifty percent of the total known life forms on Earth. This is even more remarkable when we take into consideration that they only...
    By KennethSleight September 27, 2011 

  • Quiz - Test Your Biodiversity Knowledge

    Biodiversity is important to all life on earth and it is declining at an alarming rate. Test your biodiversity knowledge and learn how biodiversity impacts you.
    By Cora Wilder September 25, 2011 

  • Understanding How the Food Chain in a Tropical Rainforest Works

    A food chain is a system within an ecological community in which every living organism depends on another body for its subsistence. In an ecosystem like the tropical rainforest, each organism is interdependent on the other, and human activities can easily...
    By ciel s cantoria August 31, 2011 

  • Fragile Ecosystems Problems and Solutions: Why are the Chameleons Gone?

    The rampant abuse of ecosystems has lead to problems. We have a few solutions to correct it, that is, while we still have time. The article describes how a small town has changed with regard to ecosystems being destroyed without conscious thought or...
    By KennethSleight July 9, 2011 

  • Abiotic Elements in the Boreal Forest

    Abiotic factors such as temperature, sunlight and precipitation play an important role in the boreal forest biome. Learn about the abiotic factors in the boreal forest.
    By Terrie Schultz June 30, 2011 

  • Green New Years Resolutions

    Some simple tips to help you resolve to have a greener new year.
    By Niki Fears June 27, 2011 
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