Answers:
6 is B.
Which of these organisms are most helpful in preventing Earth from being covered with the bodies of dead organisms? The answer is: Fungi and bacteria.
Which statement best describes a difference between prokaryotic and Eukaryotic cells? The answer is C.
The first attachment "Scientists discovered the organisms of genus Spinoloricus were eukaryotes and not prokaryotes because spinoloricus cells have? The answer would be D.