![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Codiumfragile.jpg/640px-Codiumfragile.jpg&w=640&q=50)
Seaweed
various types of marine algae / From Wikipedia, the free encyclopedia
Seaweed is a term used for several kinds of algae that is endemic to the ocean. Red algae, green algae and brown algae are commonly considered to be seaweed.
![Photo of detached seaweed frond lying on sand](http://upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Codiumfragile.jpg/640px-Codiumfragile.jpg)
Seaweed gets its energy from photosynthesis, just as plants do.