Which is controlled by a negative feedback loop: blood glucose levels after eating or estrogen levels in the days prior to ovulation?

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

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called