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| Read each sentence and identify the word/phrase that you believe correctly completes the statement. Then, click on the arrow to see if your answer is correct. 1. Members of the domains Bacteria and are prokaryotic organisms and therefore their cells lack a and other membrane-bound . 2. Heterotrophic bacteria involved in breaking down organic material into nutrients are known as . 3. Not all autotrophic bacteria are . For instance, some derive energy to manufacture compounds from H2S and other inorganic compounds. 4. are mostly autotrophs but some ingest organic particles. Many are bioluminescent. 5. Protozoans such as forams and radiolarians are unicellular and are therefore included in the kingdom |