Recognize that some organisms consist of a single cell (unicellular) like in bacteria and some consist of many cells (multicellular) like in a human.
Understand the Problem
The question is recognizing the distinction between unicellular organisms, which consist of a single cell like bacteria, and multicellular organisms, which are composed of many cells, such as humans.
Answer
Unicellular organisms are single-celled (e.g., bacteria), while multicellular organisms have many specialized cells (e.g., humans).
Unicellular organisms, like bacteria, consist of a single cell responsible for all life functions, whereas multicellular organisms, like humans, have many specialized cells performing various tasks.
Answer for screen readers
Unicellular organisms, like bacteria, consist of a single cell responsible for all life functions, whereas multicellular organisms, like humans, have many specialized cells performing various tasks.
More Information
Unicellular organisms rely on one cell for all biological processes, while multicellular organisms' cells can specialize for various functions, increasing efficiency and complexity.
Tips
Confusion often arises between 'unicellular' and 'multicellular'; remember, 'uni-' means one, and 'multi-' means many.
Sources
- Unicellular vs. Multicellular - National Geographic Education - education.nationalgeographic.org
- Difference between Unicellular and Multicellular Organisms - BYJU'S - byjus.com
- Cells and organisms (article) - Khan Academy - khanacademy.org
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