These crustaceans provide a valuable food source for some fish.
这些甲纲动物是某些鱼类重要的食物
源。
These crustaceans provide a valuable food source for some fish.
这些甲纲动物是某些鱼类重要的食物
源。
Beetles bury pellets of dung and lay their eggs within them.
甲粪粒埋起
,然后在里面产卵。
Retinol, Horsetail Extract, Pyroligneous Acid, Pecan Shell Powder.
维生素A醇、木贼(马尾草)萃取、木酢酸、甲粉。
He was the Beatles' most versatile singer and not just as a balladeer.
他是甲乐队中最多才多艺的歌手,不只是个民谣歌手。
The essence of deacetylation reaction of chitin was the hydrolysis of N-alkyl ethanamide.
摘要甲质脱乙酰化反应其本质是N-烷基乙酰胺的
解。
The thorax and pleon bear a number of lateral appendages, including the gills, and the tail ends with a telson.
另个古老的特征是甲
亚门动物分叉的足,这样的足在化石中的三叶
就已经有了。
" Water flees fleas" are not insects but copepods, a crustation crustacean like lubster lobsters and crubs crabs but extremely small.
蚤不是昆
类而是桡脚类的动物,像龙虾或螃蟹那样有甲
的,但是非常小的。
Solitary in nature, the trunkfish blows water out of its mouth to expose prey such as mollusks, crustaceans, worms, and sponges.
孤立的性质,硬鳞鱼殴打自嘴里去揭露猎物,如软体动物,甲
类,蠕
和
绵动物。
In scyphozoan jellyfish, the free-swimming medusa form is the dominant stage, with the sessile polyp form found only during larval development.
自由游泳的母见于各
洋,包括常见的沿
岸线漂流的盘形动物(如甲
动物)。
The Myriapoda are polyphyletic. 2.The Chilopoda appears to be sister to a clade containing the Insecta and Crustacea, but with low bootstrap support.
2、唇足纲、昆和甲
动物聚合,其中昆
与甲
类聚为
支,然后与唇足纲构成姊妹群关系, 但是支持率不高。
Chitin and chitosan have been prepared by the methods of EDTA and HCl with the shell of shrimp and Squilla Oratoria as raw materials.
以虾和虾蛄
为原料分别采用EDTA法和盐酸法制备了甲
素和
聚糖。
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