Abiologist discovered a young four legged animal .the animal had lungs seemed to fertilize internally and it's outer surface was covered with scales in which class of animal is biologist likely to place the animal

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

The transport tubes from food came down the plant are called?

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