caption: The image shows a drawing of a group of green algae on a white background. It is a detailed illustration of the different types of algae, with each type of algae represented by a different color. The algae are arranged in a circular pattern, with some of them overlapping each other. The colors range from light green to dark green, and some of the algae have a distinct shape and texture. The background is a plain white, allowing the algae to stand out in the image.