Carbon cycle
The circulation of carbon in nature. Plants absorb carbon dioxide from the air; by photosynthesis, they convert it to carbohydrates, giving off oxygen as a byproduct. Animals then eat the plants and return carbon to the air by exhaling and through decay.
Ecological zone
Ecological zone
A defined area of land characterized by certain environmental conditions and plant communities.
Latitude
Latitude
1) It is one of many imaginary lines parallel to the equator. 2) Distance north or south of the equator, measured in degrees.
Carbon flux
Carbon flux
The process or rate by which carbon moves from one pool to another.
Ecologist
Ecologist
A person who studies the interrelationship of organisms and their environments.
Longitude
Longitude
1) An imaginary line that bisects the globe through the North and South Poles. 2) Distance east or west of the prime meridian, the imaginary line of longitude that runs through Greenwich, England, measured in degrees.
Carbon footprint
Carbon footprint
A measure of how much carbon dioxide (CO2) a person, organization, or product produces – directly or indirectly – in a certain amount of time (usually a year).
El Niño
El Niño
A warm-water current that periodically flows along the coast of Ecuador and Peru, altering weather patterns over much of the Earth.
Mean
Mean
(n) An average of a group of numbers or data points.
Carbon sink
Carbon sink
An environment, such as a forest or the ocean, that absorbs and stores more carbon than it releases over some period of time, which helps to offset greenhouse gas emissions.
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