What is the idea that all continents were part of one big landmass? oceanic drift
continental drift
oceanic theory
continental theory

Nucleic acid certain protein cell membranes certain carbohydrates

Each hereditary trait corresponds to

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