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Jet propulsion is a method of aquatic locomotion where animals fill a muscular cavity and squirt out water to propel them in the opposite direction of the squirting water. Most organisms are equipped with one of two designs for jet propulsion; they can draw water from the rear and expel it from the rear, such as jellyfish, or draw water from ...
That is 1.5 body lengths per second (3.5 cm/s or 1.4 in/s). Researchers estimate that the stomatopod acts as a true wheel around 40% of the time during this series of rolls. The remaining 60% of the time it has to "jumpstart" a roll by using its body to thrust itself upwards and forwards.
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 ...
[1] Motility is the ability of an organism to move independently using metabolic energy . This biological concept encompasses movement at various levels, from whole organisms to cells and subcellular components.
[2] [6] [12] Among elite college athletes, early sports specialization is uncommon overall, but it is somewhat more common among youth playing individual sports than team sports. [7] [11] Elite US college athletes in swimming, diving, tennis, and fencing tended to specialize around age 12, compared to age 15 for athletes who play team sports. [7]
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In sports, agility is often defined in terms of an individual sport, due to it being an integration of many components each used differently (specific to all sorts of different sports). Sheppard and Young (2006) defined agility as a "rapid whole body movement with change of direction or velocity in response to a stimulus".
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