Plankton浮游生物 / ‘’plжηktэn； `plжηktэn/
[size=3][color=#29384e][font=Times New Roman]Scattered through the seas of the world are billions of tons of small plants and animals called plankton. Most of these plants and animals are too small for the human eye to see. They drift about lazily with the currents[/font][font=宋体]，[/font][font=Times New Roman] providing a basic food for many larger animals.[/font][/color][/size][size=3][color=#29384e][font=Times New Roman] [/font][/color][/size]
[size=3][color=#29384e][font=宋体] [/font][font=Times New Roman]Plankton has been described as the equivalent of the grasses that grow on the dry land continents[/font][font=宋体]，[/font][font=Times New Roman] and the comparison is an appropriate one. In potential food value[/font][font=宋体]，[/font][font=Times New Roman] however[/font][font=宋体]，[/font][font=Times New Roman] plankton far outweighs that of the land grasses. One scientist has estimated that while grasses of the world produce about 49 billion tons of valuable carbohydrates each year[/font][font=宋体]，[/font][font=Times New Roman] the sea[/font][font=宋体]‘[/font][font=Times New Roman]s plankton generates more than twice as much.[/font][/color][/size]
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[size=3][color=#29384e][font=宋体] [/font][font=Times New Roman]Despite its enormous food potential[/font][font=宋体]，[/font][font=Times New Roman] little effect was made until recently to farm plankton as we farm grasses on land. Now marine scientists have at last begun to study this possibility[/font][font=宋体]，[/font][font=Times New Roman] especially as the sea[/font][font=宋体]‘[/font][font=Times New Roman]s resources loom even more important as a means of feeding an expanding world population.[/font][/color][/size]
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[size=3][color=#29384e][font=宋体] [/font][font=Times New Roman]No one yet has seriously suggested that[/font][font=宋体]“[/font][font=Times New Roman]plankton-burgers[/font][font=宋体]”[/font][font=Times New Roman]may soon become popular around the world. As a possible farmed supplementary food source[/font][font=宋体]，[/font][font=Times New Roman] however[/font][font=宋体]，[/font][font=Times New Roman] plankton is gaining considerable interest among marine scientists.[/font][/color][/size]
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[color=#29384e][font=宋体][size=10.5pt] [/size][/font][size=10.5pt]One type of plankton that seems to have great harvest possibilities is a tiny shrimp-like creature called krill. Growing to two or three inches long[/size][font=宋体][size=10.5pt]，[/size][/font][size=10.5pt] krill provides the major food for the great blue whale[/size][font=宋体][size=10.5pt]，[/size][/font][size=10.5pt] the largest animal to ever inhabit the Earth. Realizing that this whale may grow to 100 feet and weigh 150 tons at maturity[/size][font=宋体][size=10.5pt]，[/size][/font][size=10.5pt] it is not surprising that each one devours more than one ton of krill daily[/size][/color]
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