图7: 成群的磷虾是整个南极动物食物链的基础。 它们以浮游生物为食,生长在海冰的上层。
Photo 7 :Swarms of krill, a cornerstone of the entire Antarctic food chain, feed on phytoplankton that grows on the underside of sea ice.
它——温和的巨人,是滤食动物,通过在游泳时张大嘴巴来捕食浮游生物与小鱼。
The gentle giants are filter feeders, swimming with their wide mouths open to collect plankton and small fish.
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