生物界用英语怎么说？

生物界

• living nature，organic sphere，biological world

例句

• Cytochrome P 450 s are a large group of heme - binding enzymes and widely distribute in biology. 细胞色素P450是一种血红素结合蛋白,在生物界广泛存在.
• The Eukarya contains four kingdoms , the Animalia, Plantae, Fungi, and Protoctista. 真核生物界包括4个界:动物界 、 植物界 、 真菌界和原生生物界.
• As the dominator of the Mesozoic, it is the focus of the science. 恐龙作为中生代生物界的统治者, 它的研究一直是科学界的热点.