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Finally, organisms that live on the ocean floor (regardless of depth) are part of the benthos. . The only exception is around rifts, where tectonic plates are spreading apart and new seafloor is being formed. succeed. National Geographic Headquarters 1. The Abyssopelagic Zone is one of the coldest biomes on earth, being at the bottom of the ocean, and because it does not receive much sunlight. 12.1: Zones of Marine Environments - Geosciences LibreTexts The most common squid found in the bathyal zone is the vampire squid, so named for its hunting strategy of descending on prey and draping its tentacles over it like a cloak or net. which strongly influences the types of plant and animal life that live there. Explore different types of habitats and microhabitats with this curated collection of classroom resources. Wind keeps this layer mixed and thus allows thesun's heatto be distributed vertically. The abyssal salinities are between 34.6 and 35.0 parts per thousand, and temperatures are between 0 and 4 C (32 and 39 F). Sea surface temperatures for a single year: 2014 (900 kb). There is little life found in the Abyssal Biome because it is shaped by its extreme environmental conditions. What animals live in abyssal plain? - Wise-Answer The surface layers of the ocean generally obtain oxygen from diffusion and brisk circulation. The name comes from a Greek word meaning "no bottom". Glow-in-the-dark fish, gigantic sea worms, and explosive hydrothermal vents. Layers of the Ocean | National Oceanic and Atmospheric Administration This surface layer is also called the sunlight zone and extends from the surface to 200 meters (660 feet). Sunlit zone (epipelagic zone) 2. "Abyss" is a term derived from a Greek word, which means bottomless. Below the epipelagic zone is the mesopelagic zone, extending from 200 meters (660 feet) to 1,000 meters (3,300 feet). . The abyssal zone, also known as the abyssopelagic zone, is one of the levels into which the oceans are divided and it is found between 3,000 and 6,000 meters below the surface. Most of these animals feed on minimal plants and small fish and shrimp. Students review what animal adaptations are, identify marine animal adaptations in a photo gallery, and predict how types of adaptations vary with ocean habitats.