How do algae spread?

Algae normally spread to different bodies of water by the transfer of algae spores. Spores are singular reproductive cells that can germinate and reproduce when in the right environment. Algae spores are all over the place in nature and are often carried by the wind, and rain runoff.

Do algaes move?

Species of single-celled algae use whip-like appendages called flagella to coordinate their movements and achieve a remarkable diversity of swimming gaits.