Marine life - Wikipedia
网页Marine life, sea life, or ocean life is the plants, animals, and other organisms that live in the salt water of seas or oceans, or the brackish water of coastal estuaries. At a fundamental level, marine life affects the nature of the planet. Marine organisms, mostly microorganisms, produce oxygen and sequester carbon.
Marine Life Encyclopedia - Oceana
网页Explore Oceana’s Marine Life Encyclopedia to learn fun facts about your favorite marine animals - from sharks and sea turtles to ecosystems and corals.
Ocean Life - Smithsonian Ocean
网页Ocean Life. Bioluminescence Overview. For some ocean creatures, creating light is a matter of life and death. Learn about how light is used in the ocean. Read More. Featured Content. overview. Cephalopods. overview. Penguins. overview. Corals and Coral Reefs. overview. Jellyfish and Comb Jellies. overview. Sharks. 1. 2. 3. 4. 5. 6. 7. 8. 9. Next.
Marine life - National Oceanic and Atmospheric Administration
网页2021年5月26日 · Our ocean, coasts, and estuaries are home to diverse living things. These organisms take many forms, from the tiniest single-celled plankton to the largest animal on Earth, the blue whale. Understanding the life cycles, habits, habitats, and inter-relationships of marine life contributes to our understanding of the planet as a whole.
All About the Ocean - National Geographic Society
网页2024年3月5日 · Ocean Life Zones From the shoreline to the deepest seafloor, the ocean teems with life. The hundreds of thousands of marine species range from microscopic algae to the largest creature to have ever lived on Earth, the blue whale. The ocean has five major life zones, each with organisms uniquely adapted to their specific marine ecosystem.
The Deep Sea - Smithsonian Ocean
网页Below the ocean’s surface is a mysterious world that accounts for over 95 percent of Earth’s living space—it could hide 20 Washington Monuments stacked on top of each other. But the deep sea remains largely unexplored. As you dive down through this vast living space you notice that light starts fading rapidly.
Marine Ecosystems - National Geographic Society
网页2024年8月29日 · Marine ecosystems are aquatic environments with high levels of dissolved salt, such as those found in or near the ocean. Marine ecosystems are defined by their unique biotic (living) and abiotic (nonliving) factors. Biotic factors include plants, animals, and microbes; important a biotic factors include the …
Oceans—facts and information - National Geographic
网页2019年3月21日 · Sea life. The oceans are home to millions of Earth's plants and animals—from tiny single-celled organisms to the gargantuan blue whale, the planet's largest living animal. Fish, octopuses, squid,...
Ocean Habitat - National Geographic Kids
网页Oceans are areas of salty water that fill enormous basins on the Earth’s surface. Even though Earth has one continuous body of saltwater, scientists and geographers divide it into five different...
Journey Under the Sea With 15 Amazing Photos of Marine Life
网页2024年4月18日 · Whether they’re in cold Arctic environments or the warm tropics of the Caribbean, sea creatures surprise and amaze us. See the seas’ fish, underwater mammals and birds, reptiles, coral and more!