Marine algae, particularly sargassum weed, are brought up onto the beach by ocean currents. Kelp is a surface plant that lives in shallow waters. From seagrasses to algae, the sea plant community is diverse and includes many varieties. These coastal perennials, annuals, and shrubs will put on a showstopping display of color from spring to fall, despite sandy soils, salt spray, and strong winds. This lesson uses the book Ocean Sunlight: How Tiny Plants Feed the Seas to teach students about photosynthesis and its importance of providing food for ocean marine life as well as the oxygen needed to sustain life on earth and in the ocean. Writer. The health of submerged aquatic vegetation is an important environmental indicator of overall ocean and estuary health. Stunning Underwater Plants and Sea Life on the Ocean Floor By. Purpose. Because they're so tough, these plants also would be good choices for just about any yard, whether your view is a beach, prairie, or mountaintop. Lots of animals feed off of kelp. On the landward edge of the beach, a few salt tolerant plants such as glasswort, sea purslane, and seashore dropseed are established. Plants in the ocean. Plant debris and seeds are continually washing up. Sea plant names describe plants that live and thrive in the saltwater of the ocean. Learn how to choose a seaside plant and learn which plants for a seaside garden offer the best performance. The best seaside garden plants tolerate hot coastal sun, extreme winds, and sandy soil. Kelp attatches itself to the ocean floor using an anchor system called "holdfast." Kelp is one of the few. To explore the process of photosynthesis in the ocean. Kelp can grow up to 150 feet tall! The beach is almost entirely devoid of vegetation. Underwater plants provide oxygen, food, and shelter. Plants range from microscopic specimens to large spreading plants. Elevate an already-stunning ocean view by creating a showstopping seaside garden. Blythe Copeland is a writer, editor, and blogger who began working with Treehugger in 2008. Context. It grows around cold, rocky coastlines. Plants are categorized as having low, medium, and high salt and sea spray tolerance. There are very little plants found in the marine biome. Blythe Copeland. Eel grass, a type of submerged aquatic vegetation, supports the life cycle of many fish and shellfish.