macroalga

Example:The beach was lined with wrack, the decaying seaweed that had been washed ashore.

Definition:A general term for large, complex algae that live in the ocean. Seaweed can be brown, red, or green.

Example:The kelp forest was home to a diverse array of fish and invertebrates.

Definition:A large brown macroalga that forms underwater forests along the coasts of the Pacific Ocean and other areas. Kelp is an important food source for many marine animals.

Example:The brown algae along the coast provided important habitats for various marine species.

Definition:A type of macroalga that belongs to the class Phaeophyceae and is characterized by its brown pigmentation. Brown algae play a critical role in marine ecosystems.