Which of the following organisms is one-celled and free-living?

Assessment: WAEC SSCE - Biology - 1995 (Objective) Subject: Biology

Question 1 Report

Which of the following organisms is one-celled and free-living?
Answer Details
The one-celled and free-living organism is Chlamydomonas. Chlamydomonas is a unicellular green alga that lives in freshwater environments. It has a simple structure with a single nucleus and chloroplasts for photosynthesis. It uses its flagella to move around and can reproduce asexually by cell division. Unlike Hydra, which is a multicellular animal, Chlamydomonas is a single cell that can live and function independently without the need for other cells.
Read lesson note on Amoeba, Paramecium, And Euglena (WAEC)
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