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Photosynthesis
Photosynthesis, generally, is the synthesis of sugar from light, carbon dioxide and water, with oxygen as a waste product. It is arguably the most important biochemical pathway known; nearly all life ... > more -
Trophic level
In ecology, the trophic level is the position that an organism occupies in a food chain - what it eats, and what eats it. Wildlife biologists look at a natural "economy of energy" that ultimately ... > more -
Organic lawn management
Organic lawn management is the practice of establishing and caring for a garden lawn without the use of chemical inputs such as pesticides or artificial fertilisers. The garden lawn is a place where ... > more -
Water hyacinth
The seven species of water hyacinths comprise the genus Eichhornia of free-floating perennial aquatic plants native to tropical South America. One of the fastest growing plants known, water hyacinth ... > more -
Coast Douglas-fir
The Coast Douglas-fir is an evergreen conifer native to the coastal regions of western North America. Coast Douglas-fir is a very large tree, the second-tallest in the ... > more
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