What is algae that grows in sea shore?

Algae that grows on the seashore primarily includes species such as seaweed, which encompasses various types like green, brown, and red algae. These organisms thrive in intertidal zones, where they are adapted to withstand changing water levels and exposure to air. Seaweed plays a crucial role in coastal ecosystems, providing habitat and food for marine life, and is also utilized by humans for various purposes, including food, fertilizers, and biofuels. Notable examples include kelp and sargassum.