Which medium would you consider to be “complex” and which “defi ned”? which is “rich” and which is “minimal”? explain your answers. elvis

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

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

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?