The addition of wolves to Yellowstone is estimated to have reduced the elk population by how much? 10 percent
30 percent
45 percent
50 percent

Which beat describes the brain stem

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

The term facultative anaerobe refers to an organism that