protecting the manatees作文

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奉悟处n
2016-06-18 · TA获得超过2323个赞
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Manatees are large, fully aquatic and mostly herbivorous marine mammals Sometimes they known as sea cows They measure up to 36 metres (12 ft)), and have paddle-like flippers The name manati meaning "breast"
Half a manatee's day is spent sleeping in the water, Some of then live up to 60 yearsThey are good swimmerManatees are capable of understanding discrimination tasks, and show signs of plex associated learning and advanced long term memory They demonstrate plex discrimination and task-learning similar to dolphins and pinnipeds in acoustic and visual studies
Manatees typically breed once every two years Only a single calf is born at a time and aside from mothers with their young or males following a receptive female, manatees are generally solitary creatures
The main causes of death for the sea cows are human-related issues, habitat destruction, human objects, and natural causes such as temperatures and diseasesTherefor,to preserve the species alll three species of manatee are listed by the World Conservation Union as vulnerable to extinction to preserve the species
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