Answer:
Amoebalike protists, flagellates, ciliates, and spore-forming protists.
Explanation:
Protists are eukaryotes, which means their cells have a nucleus and other membrane-bound organelles. Most, but not all, protists are single-celled. Other than these features, they have very little in common. You can think about protists as all eukaryotic organisms that are neither animals, nor plants, nor fungi.
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They are not from the periodic elements scientifically.
The upper layer of the Earth
Fire is not composed of cells.
Explanation: According to the cell theory, the cell is the basic unit of structure and function in living things. If something is not composed of at least one cell, it is not living.
