Brown algae are their characteristic features and habitat.

Brown algae have a number of their own characteristics. They live at great depths. Therefore, sunlight is not able to penetrate under a large layer of water. Because of this, they are unable to photosynthesize. They receive various organic substances in other ways, unlike green algae. The variety of brown algae is quite large. Also, they are highly valued in the food industry. They are very beneficial to health as they contain a large amount of vitamins and minerals. They are also used in medicine.