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A compass rose, showing absolute bearings in degrees. In nautical navigation the absolute bearing is the clockwise angle between north and an object observed from the vessel. If the north used as reference is the true geographical north then the bearing is a true bearing whereas if the reference used is magnetic north then the bearing is a ...
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Pages for logged out editors learn more. Contributions; Talk; Absolute bearing
A bearing compass, is a nautical instrument used to determine the bearing of observed objects. (Bearing: angle formed by the north and the visual to a certain object in the sea or ashore). Used in navigation to determine the angle between the direction of an object and the magnetic north or, indirectly relative to another reference point.
Bearing – In navigation, bearing is the horizontal angle between the direction of an object and another object, or between it and that of true north. Absolute bearing refers to the angle between the magnetic North (magnetic bearing) or true North (true bearing) and an object. For example, an object to the East would have an absolute bearing ...
Constant bearing, decreasing range (CBDR) is a term in navigation which means that some object, usually another ship viewed from the deck or bridge of one's own ship, is getting closer but maintaining the same absolute bearing. If this continues, the objects will collide.
A stalk bearing both the androecium and gynoecium of a flower above the level of insertion of the perianth. androgynous Having male and female flowers in the same inflorescence. androphore The stalk or column supporting the stamen s in certain flowers. andromonoecious Having bisexual flowers and male flowers on the same individual plant.
The concept of a struggle for existence goes back to antiquity: Heraclitus of Ephesus wrote of struggle being the father of everything, and Aristotle in his History of Animals observed that "There is enmity between such animals as dwell in the same localities or subsist on the same food. If the means of subsistence run short, creatures of like ...