What is a unicellular organism?

Author: Leandro Alegsa

Q: What is a unicellular organism?


A: A unicellular organism is an organism consisting of only one cell.

Q: How are unicellular organisms classified?


A: Unicellular organisms are classified into two types: prokaryotes and eukaryotes.

Q: What is the difference between prokaryotes and eukaryotes?


A: The main difference between prokaryotes and eukaryotes is that eukaryotes have a nucleus and various subcellular organs, while prokaryotes do not have a nucleus or any subcellular organs.

Q: What is the cell structure of prokaryotes?


A: Prokaryotes have a simple cell structure with no nucleus.

Q: What is the cell structure of eukaryotes?


A: Eukaryotes have a more complex cell structure with a nucleus and subcellular organs called organelles.

Q: What are the different classifications of unicellular organisms?


A: Unicellular organisms are classified into two different kingdom classifications: bacteria and archaea for prokaryotes, and protists, fungi, plants, and animals for eukaryotes.

Q: Do all unicellular organisms have a nucleus?


A: No, only eukaryotes have a nucleus. Prokaryotes do not have a nucleus.


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