消化循环腔（gastrovacular cavity)

消循腔（gastrovaecularcavity）

The efficient market hypothesis exists in a number of forms that relate to different levels of information processing efficiency. In the semi-strong form of the hypothesis, which one of the following types of information will not influence the share price?

What American novel is especially noteworthy for depicting a character who epitomized the American Dream?

举出5种海洋无脊椎动物发育中自由生活的幼虫期，说明所属的门类和简要结构特征。

举出5种中国珍稀脊椎动物(鱼类，两栖类，爬行类，鸟类和哺乳类各一种)，并说明各自的地理分布。

以日本血吸虫和蝗虫为例，比较它们对各自生活方式的适应特点。

列举出科研中常用的给家兔和小鼠采血的方法。

试述哺乳动物肾的结构及尿液形成的过程。

总结脊椎动物亚门动物从水生过渡到陆生过程中，骨骼系统的演化趋势。