常見例句ARE THESE THE METAZOAN BODY FOSSILS FORMED BEFORE 1400 MA? 前的后生動(dòng)物實(shí)體化石?Apoptosis can be defined as a highly regulated cellular suicide program which is crucialfor metazoan development. 凋亡是多細(xì)胞動(dòng)物生長中重要的細(xì)胞自殺性程序。The metazoan zooplankton species were mainly composed of eurythermal ones and only a few thermophil ones were also found. 星湖的后生浮游動(dòng)物基本上為廣溫種類，兼具一些嗜暖種。Nematodes are the most abundant and diversified group in the animal kingdom and four out of every five metazoan on earth is a nematode. 線蟲是動(dòng)物王國中多樣性最豐富的類群,地球上大約有4/5的動(dòng)物是線蟲。It was there, a half billion years ago, that tiny metazoan organisms first evolved systems for sequestering and circulating fluids. 五億年前，就是在那里，微小的后生動(dòng)物首先進(jìn)化成與外隔絕的循環(huán)液體系統(tǒng)。Soil nematodes are the most abundant metazoan, which have various types of life-history and feeding habits, and play a key role in soil food web. 線蟲作為土壤中數(shù)量最豐富的后生動(dòng)物，其生活史和取食類型多樣，在生態(tài)系統(tǒng)中發(fā)揮著重要作用。 返回 metazoan