Atropical rain forest may be unable to be returned to its original climax community after which of the following disturbances?
a . clearing & farming
b. volcanic eruption
c . flooding after a hurricane

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 can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Rachel ate a piece of fruit and happened to drop the seeds in her backyard. after a few weeks, she saw a small plant with flowers growing in the backyard. which group does this plant belong to? a. angiosperms b. gymnosperms c. pteridophytes d. bryophytes e. chytrids