daphnia是什么意思？

daphnia

英['dæfnɪə] 美['dæfniə]

• n. 水蚤；

例句

• Results: Daphnia magna could detect the toxicity of water and water resource polluted by 0. 目的: 验证采用大型水蚤检测农药和无机砷污染的饮用水和地表水源水毒性的可行性.
• Under normal environmental conditions, Daphnia populations are exclusively female and reproduction is clonal. 在正常环境条件下, 水蚤均为雌性并且采取无性繁殖.

英英词典释义

• Noun
  1. minute freshwater crustacean having a round body enclosed in a transparent shell; moves about like a flea by means of hairy branched antennae