this balance has been restored by the cessation of the hunting of_英语解答

this balance has been restored by the cessation of the hunting of sea otters,allowing them to control the abundance of the urchins again.4547

人气：287 ℃　时间：2020-05-25 07:45:51

解答

由于捕杀海獭的行为被终止,并允许它们再一次控制大量的海胆,这种平衡被恢复了.