Common model organisms used to study biological phenomena include; e. coli bacteria, yeast, fruit flies, zebrafish, mice, and even monkeys. suppose you are studying the impact of toxins on marine blue-green algae, which are a type of bacteria called cyanobacteria.
which of the listed model organisms would best be used in this study and why?

e. coli bacteria, because they are also bacteria and thus most similar to the cyanobacteria.
fruit flies, because they are easy to raise and observe in the lab
yeast, because both yeast and bacteria are single celled
zebrafish, because they also live in the water

Model organisms are organisms that are reared and maintained within a laboratory setting. E. coli bacteria would be the ideal selection to mimicking cyanobacteria.

E. coli bacteria, because they are also bacteria and thus most similar to the cyanobacteria.

Explanation:

We will choose E. coli bacteria to study the impact of toxins on marine blue-green algae which are also a type of bacteria named cyanobacteria because both E.coli and cyanobacteria are prokaryotic organisms and hence their mechanism of action to counter toxin will be most similar. Being prokaryotic, their replication, transcription, translation mechanism, body processes and body design is similar so if the toxin is harming these bacteria then it must alter any of these processes in their bodies in a similar manner.

Yeast, fruit flies, zebrafish, mice, and monkeys are eukaryotes and their body processes are much different than those of prokaryotes so these are not model organisms to study similar impacts of this toxin on cyanobacteria.

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a few examples of ethical concerns involving genetically engineering of humans include

-privacy of genetically tested people

- potential side effects

-long term effects