10 Animals That Could Technically Live on Other Planets

8. The Hardy Algae

Algae are simple, photosynthetic organisms that can thrive in various environments, from freshwater lakes to saltwater oceans. Their ability to produce oxygen and fix carbon makes them essential for creating habitable atmospheres on other planets. On Mars, for example, algae could convert carbon dioxide into oxygen, contributing to the development of a breathable atmosphere and supporting the growth of other plant species, which in turn could sustain animal life.