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Climate Change

"Climate change is defined as the long term change in weather patterns over time. The greenhouse effect is the trapping of heat in the Earth by gasses like carbon dioxide and some scientists argue tha ...

Phosphorous Cycle

"The phosphorous cycle follows the movement of phosphorous through the biosphere. Phosphorous is found in many forms, both organic and inorganic, but is most commonly found in the phosphate ion. Phosp ...

Carbon Cycle

"The carbon cycle is a cycle where carbon is exchanged throughout the Earth’s atmosphere, the terrestrial biosphere, the oceans and sediments.  Carbon in living organisms turns to soil when they ...

Biosphere

"The biosphere is the zone of air, land and water where organisms exist. It is commonly known as the global sum of all ecosystems and consists of several layers including the atmosphere, the lithosphe ...

Biology Competition

"In biology, competition is an interaction between multiple organisms within a community that all depend on the same limited resource. One species generally adapts to better access that resource ...

Biology Community

"In biology, a community is a group of potentially interacting species living in the same place. Members of a community may have a variety of relationships including predator/prey, competitors, or ...

Biodiversity

"Biodiversity is the amount of variety of organisms in a particular area and is typically used to measure the "health" of an ecosystem. Biodiversity usually encompasses genetic diversity (variations w ...

Behavioral Ecology

"Behavioral ecology is the study of ecological and evolutionary causes of behavior in organisms. Behavior is influenced by genetics and the environment and should increase the reproductive fitness of ...

Nitrogen Cycle

"The nitrogen cycle follows the movement of nitrogen in its different forms. Nitrogenous gas makes up 80% of the atmosphere and most nitrogen enters into the ecosystem via nitrogen-fixing bacteria, bu ...

Natural Resource Depletion

"Natural resource depletion is loosely defined as when resources are used up in an area. Non-renewable resources (things like oil and trees) will eventually be depleted while renewable resources (thin ...

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