美国科学工作者正在集中研究石油污染对海洋动物的威胁,特别对鱼卵和鱼苗的影响.美国国家海洋大气局的科学家们发现,从石油污染海区所取样的鱼卵中,染色体发育不正常.这清楚地表明石油造成这些卵的染色体畸形发育.许多贵重的经济鱼类特别容易受到石油的污染.它们在产卵之后,鱼卵漂浮在海水表面,直到几 Scientists in the United States are now focusing their studies on the threat of marine pollution to marine animals, especially fish and fry, and scientists at the National Oceanic and Atmospheric Administration have found that chromosomal abnormalities are not observed in fish sampled from oil-contaminated seas. This clearly shows that oil causes the chromosomal abnormalities in these eggs, many of which are particularly vulnerable to oil pollution, and after they lay eggs, the eggs float on the surface of sea water until