.专题三生态环保类2019 年Passage 12019 北京， 8 分话题：微生物对海洋颜色的影响词数： 386By the end of the century, if not sooner, the world s oceans will be bluer and greener thanks to a warming climate, according to a new study.At the heart of the phenomenon lie tiny marine microorganisms(海 洋 微 生 物 ) called phytoplankton. Because of the way light reflects off the organisms, these phytoplankton create colourful patterns at the ocean surface. Ocean colour varies from green to blue, depending on the type and
