These crustaceans provide a valuable food source for some fish.
这些是某些鱼
重要的食
来源。
These crustaceans provide a valuable food source for some fish.
这些是某些鱼
重要的食
来源。
Beetles bury pellets of dung and lay their eggs within them.
虫把粪粒埋起来,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、粉。
He was the Beatles' most versatile singer and not just as a balladeer.
他是虫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.
摘要质脱乙酰化反应其本质是N-烷基乙酰胺的水解。
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
亚门
分叉的足,这样的足在化石中的三叶虫就已经有了。
" Water flees fleas" are not insects but copepods, a crustation crustacean like lubster lobsters and crubs crabs but extremely small.
水蚤不是昆虫而是桡脚
的
,像龙虾或螃蟹那样有
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,硬鳞鱼殴打海水来自嘴里去揭露猎,如软体
,
,蠕虫和海绵
。
In scyphozoan jellyfish, the free-swimming medusa form is the dominant stage, with the sessile polyp form found only during larval development.
自由游泳的水母见于各海洋,包括常见的沿海岸线漂流的盘形(如
)。
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、昆虫和
聚合,其中昆虫与
聚为
支,然后与唇足
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
素和
聚糖。
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