Answer :
Final answer:
Single-celled organisms are unicellular and composed of a single cell, while multicellular organisms are made up of multiple cells forming tissues and organs.
Explanation:
Single-celled organisms, also known as unicellular organisms, are composed of a single cell. Examples include bacteria and amoebae. In contrast, multicellular organisms are made up of multiple cells with varied shapes and organized arrangements forming tissues and organs.
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Answer: C. Unicellular
Explanation:
Unicellular organisms comprise one single cell that performs all of life's purposes like metabolism, excretion, reproduction, growth, and obtaining food. The two types of Unicellular organisms are:
- Prokaryotic: includes bacteria and archaea
- Eukaryotic: larger than prokaryotic and has a membrane-bound nucleus for DNA storage.