Which of the following features differentiates a dicot stem from a monocot stem? . a. the presence of a distinct pith and cortex in a monocot stem and an undifferentiated ground tissue in dicot stem. b. the presence of a distinct pith and cortex in a dicot stem and an undifferentiated ground tissue monocot stem. c. the presence ofconjoined vascular bundles in a dicot stem and radial vascular bundles in a monocot stem

Which group is noted for the independence of gametophyte and sporophyte generations from each other? a) ferns b) mosses, hornworts, and liverworts c) charophytes d) angiosperms e) gymnosperms

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

Does biology or the environment affect human development more? explain.