What is the difference beween respiration and breathing​

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

How does an angiosperm prevent self pollination

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above