First, due to global climate change, the Earth is warming affecting marine life, sea water is also heated up so do the demands on temperature and oxygen increases.Thus, many precious species die-off and drifted ashore. the second cause is because the environmental protection consciousness of the people is still poor, often have the habit of littering, chemical waste, smoking deep water environment, especially for the oil spill on the sea because no thorough processing was polluting the water sources to do the bulk of the dead sea creatures. not only affects the living environment that humans also impacted directly to fish species as well as the sea creatures are hunted indiscriminately, they exhaust the resources of the sea
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