Biology - - 30 why is it rare to find fossils of animals from before the cambrian period? what about these animals makes it rare for them to form fossils? (answer both questions as soon as possible ! )

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

Which of these correctly describes the difference between processes that take place in prokaryotic and eukaryotic cells?

Match each phylum or class to its correct characteristic