オンライン英会話のマイ・スカイ・イングリッシュ

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It's Kiwi

by Michael US 120p~

June 28, 2011

Sea Turtles answers

 

 

     Sea turtles play key roles in two ecosystem types that are important.In the oceans, sea turtles- especially green sea turtles, are one of very few creatures (manatees are another) that eat the sea grass that grows on the sea floor. Sea grass must be kept short to remain healthy, and beds of healthy sea grass are essential breeding and development areas for many species of fish and other marine life.

 

 

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