Answer:
Flagella
Explanation:
Many single-celled organisms have a structure that facilitates mobility within the cell's environment. These often take the form of flagella, thin structures that emanate from the cell wall and push into the outer environment. *Source: https://sciencing.com › characteristics-singlecelled-organism-8498361*
It is D.) a negative ion because electrons have a negative charge. hope this helps! if it did, mark me brainliest :)
Answer:
No
Explanation:
Most bacteria and archaea don't use oxygen to produce energy, and live an oxygen-free (anaerobic) existence. Some archaea produce methane as a by-product of their energy production, and are called methanogens.
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