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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 Archaea are organisms and therefore their cells lack a nucleus and other membrane-bound organelles. 2. is produced by decaying aerobic bacteria. 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 : that is, capable of producing light. 5. Protozoans such as foraminiferans and radiolarians are unicellular and are therefore included in the kingdom . |