Plant
Algae comprise several different groups of organisms which produce food by photosynthesis and thus have traditionally been included in the plant kingdom. The seaweeds range from large multicellular algae to single-celled organisms and are classified into three groups, the brown, red and green algae. There is good evidence that the brown algae evolved independently from the others, from non-photosynthetic ancestors that formed endosymbiotic relationships with red algae rather than from cyanobacteria, and they are no longer classified as plants as defined here.
Caulerpa sedoides
The light to medium green delicate alga or seaweed with a [thallus]] that grows to a size of around . It has small elongated ovoid shaped beads arranged loosely along the main stolon or axis. The stolon is often branched and arises from rhizomes or running stolons) that are usually fixed to rocky surfaces in a marine environment.