Морские водоросли — это не трава, а водоросли: научное разъяснение различий

If you've ever walked along a South Florida beach and spotted seaweed washed up along the shoreline, you may have wondered whether it's actually a type of seagrass. For our Question of the Week, we asked whether seaweed is a seagrass or an algae. Watch NBC6 free wherever you are   WATCH HERE And while they may look similar, they're actually very different. Continue reading after voting. Want to weigh in? Take part in our Question of the Week. For our Question of the Week, we asked you to choose between algae and seagrass. Seaweed is algae. Although algae perform photosynthesis just like plants, they don't have true roots, stems, leaves, or flowers. Instead, seaweed absorbs nutrients directly through its body. Some species have a root-like structure called a holdfast that anchors them to the seafloor, but unlike a plant's roots, it doesn't absorb nutrients. Its main job is simply to keep the algae attached in place. The leaf-like structures you see on seaweed are called blades. They may resemble leaves, but they don't contain veins or vascular tissue like plants do. Here in South Florida, the most familiar type of seaweed is probably sargassum. Every spring and summer, large amounts of sargassum wash ashore along local beaches. Unlike many other types of seaweed that attach to the seafloor, sargassum floats on the ocean's surface. It's a type of brown algae that reproduces through spores and fragmentation. What makes seagrass different? Seagrass is a true flowering plant. It has roots that absorb nutrients from the sediment below, and it can produce flowers and seeds. In fact, scientists believe seagrasses evolved from land plants before adapting to life underwater. Their root systems also help stabilize the seafloor, and they're commonly found growing in shallow coastal waters with sandy or muddy bottoms, including places like Florida Bay. So if you answered algae, you're right. While seaweed and seagrass often share the same marine environment, seaweed is actually algae, while seagrass is a true underwater plant. Hurricane season Jun 1 Hurricane Season 2026: NBC6's guide for South Florida residents Weather 3 hours ago Today's forecast