1
is the organizing principle for meeting human development goals while at the same time sustaining the ability of natural systems to provide the natural resources and ecosystem services upon which the economy and society depend. The desired result is a state of society where living and conditions and resource use continue to meet human needs without undermining the integrity and stability of the natural systems.
2
is the shortened form of two words "biological" and "diversity." It refers to all the variety of life that can be found on Earth (plants, animals, fungi and micro-organisms) as well as to the communities that they form and the habitats in which they live.
3
is the removal of a forest or stand of trees where the land is thereafter converted to a non-forest use.[2] Examples of deforestation include conversion of forestland to farms, ranches, or urban use. The most concentrated deforestation occurs in tropical rainforests. About 30% of Earth's land surface is covered by forests.
4
Ecology. the air, water, minerals, organisms, and all other external factors surrounding and affecting a given organism at any time.
5
is the basic unit of biological classification and a taxonomic rank. A species is often defined as the largest group of organisms in which two individuals can produce fertile offspring, typically by sexual reproduction. While this definition is often adequate, when looked at more closely it is problematic.
6
a small amount of something that remains after the main part has gone or been taken or used.
7
the natural environment in which an animal or plant usually lives: With so many areas of woodland being cut down, a lot of wildlife is losing its natural habitat.
8
is the scientific analysis and study of interactions among organisms and their environment.
9
is a large area dominated by trees. Hundreds of more precise definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing and ecological function.
10
air in natural motion, as that moving horizontally at any velocity along the earth's surface: A gentle wind blew through the valley. High winds were forecast.
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