Which of the following is a prokaryotic microorganism? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an ? \begin{tabular}{|l|l|l|l|}\hline a & helminth \\ \hline b & protozoan \\ \begin{tabular}{|l|l}\hline c & cyanobacterium \\ \hline d & mold \\ \hline\end{tabular} \\ \hline\end{tabular}

Cyanobacterium is a fascinating case in the world of microorganisms! These photosynthetic bacteria are unique because they generate oxygen and help to sustain life on Earth, much like plants do. They can thrive in a variety of environments, from oceans to freshwater lakes and even on land, showcasing their amazing adaptability over billions of years. If you're interested in seeing cyanobacterium in action, the real-world applications are truly mind-blowing! They contribute to the nitrogen cycle, providing essential nutrients for aquatic ecosystems. Additionally, researchers are exploring the potential of cyanobacteria for biofuel production and environmental cleanup, making them important players in both sustainability efforts and cutting-edge technology.