Examlex
A swimmer heading directly across a river that is 200 m wide reaches the opposite bank in 6 min 40 s.During this swim,she is swept downstream 480 m.How fast can she swim in still water?
Ecosystem
Biological community together with the associated abiotic environment; characterized by a flow of energy and a cycling of inorganic nutrients.
Biologically Adapted
The process by which organisms or species change over time in response to environmental conditions, through alterations in their genetic composition or physical traits.
Omnivores
Organisms that consume both plant and animal matter for their nutritional needs.
Autotrophs
Organisms that produce their own food from inorganic substances, such as light or chemical energy, including plants and some bacteria.
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