The National Geographic Magazine, Volume 102National Geographic Society, 1952 - Geography Indexes kept up to date with supplements. |
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Page 41
... plankton , from a Greek word meaning " wandering . " Scientists found , too , that plankton hunting could involve them in just as much difficulty , hard work , and disappointment as hunting for bigger game . For example , the Challenger ...
... plankton , from a Greek word meaning " wandering . " Scientists found , too , that plankton hunting could involve them in just as much difficulty , hard work , and disappointment as hunting for bigger game . For example , the Challenger ...
Page 42
... plankton , the meadows of marine life that sustain sea creatures as large as whales . The name plankton , from the Greek word for " wandering , " was given to the minute organisms because of the drifting life they lead . This 12 ...
... plankton , the meadows of marine life that sustain sea creatures as large as whales . The name plankton , from the Greek word for " wandering , " was given to the minute organisms because of the drifting life they lead . This 12 ...
Page 54
... plankton caught above the Mid - Atlantic Ridge ; the springs ease the strain on the net - towing cable . Plankton is found at all depths , especially in the upper 1,000 feet . Deep water's prodigious pressures do the tiny creatures no ...
... plankton caught above the Mid - Atlantic Ridge ; the springs ease the strain on the net - towing cable . Plankton is found at all depths , especially in the upper 1,000 feet . Deep water's prodigious pressures do the tiny creatures no ...
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