The following exist as free-living organisms except? By: Sunday|Published on: Sep 5|Categories: Biology JAMB| 0 comments A. Amoeba B. Chlamydomonas C. Euglena D. Spirogyra Correct Answer: Option D – Spirogyra Users Also Read These:Which of the following pairs of organisms exist as colonies?Which of the following organisms does not exist as a…Which of the following organisms is one-celled and…An example of homeostasis in living organisms is?Free and fair election can exist where there is?SEE ALSO Which of the following statements about the transfer of energy in the ecosystem is correct?