Which supports the hypothesis that life has changed over time?
a. the length of a giraffe's neck is longer than those in generations of the past.
b. organisms differ from each other around the world.
c. prokaryotic and eukaryotic cells differ in that both do not have a nucleus.
d. the atmosphere from today and years ago is different.

What did the first language sound like

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 of the following matches the organisms described with the correct domain? a. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycanb. archaea--multicellular, eukaryotic organisms that do not have cell wallsc. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sourcesd. bacteria--unicellular, eukaryotic organisms that always lack cell walls