环节动物

A NEW SPECIES OF MARIONINA ( OLIGOCHAETA: ANNELIDA: ENCHYTRAEIDAE )

玛利安蚓属一新种 ( 环节动物门: 寡毛纲: 线蚓科 )

The results indicated that there were twelve groups of soil fauna, Arthropoda, Mollusca, Annelida etc.

土壤动物有节肢动物门 、 软体动物门 、 环节动物门等12个目或类.

The food composition consisted of eight groups: diatom, protozoa, spongiaria, annelida, mollusca, crustacea, echinodermata and pisces.

其食物组成有8大类: 硅藻类 、 原生动物 、 海绵动物 、 环节动物 、 软体动物 、 甲壳动物 、 棘皮动物及鱼类.

In this study, the extraction and purification of collagen from Sipunculidae were studied.

本实验研究了水生环节动物星虫胶原蛋白的提取及纯化方法.

Discuss the metamerism of annelids and its advantages briefly.

浅谈环节动物身体的分节现象及其优点.