我是大一的学生，学校是英文授课的，希望学哥学姐们用英文帮我回答下这两个问题，谢谢~
1.discuss about the several features of clam anatomy that enable it to survive in a marine environment （讨论关于蛤蜊解剖学的几个特性 使其确保可以在海洋环境中存活 ）
2.while some animal in mollusca have various shells for their protection, the other animal in mollusca do not have any shells. contrast them and deduce the reason of their differences with their ecological role and evolutionary process （一些软体动物有多种类的外壳来自我保护，而其他一些软体动物则没有。对比这些动物并推论出他们生态作用和进化过程之所以不同的原因
1.discuss about the several features of clam anatomy that enable it to survive in a marine environment （讨论关于蛤蜊解剖学的几个特性 使其确保可以在海洋环境中存活 ）
2.while some animal in mollusca have various shells for their protection, the other animal in mollusca do not have any shells. contrast them and deduce the reason of their differences with their ecological role and evolutionary process （一些软体动物有多种类的外壳来自我保护，而其他一些软体动物则没有。对比这些动物并推论出他们生态作用和进化过程之所以不同的原因
