According to Encyclopedia Britannica, the pelagic zone, or open ocean, includes animals classified as either zooplankton or nekton. Zooplankton are small organisms that drift in the ocean currents and make up an enormous... More »

A map of plant zones is available at the U.S. Department of Agriculture's Agricultural Research Service site. The zones also are known as USDA hardiness zones. The site offers a color-coded map showing all U.S. zones, an... More »

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Some plants that live in the neritic zone include kelp, coral, algae, seaweed, seagrass and phytoplankton. The neritic zone is considered the forest of the ocean because it contains a wide array of plant life. More »

Most familiar forms of sea life occupy the neritic zone, including crabs, shrimp and zooplankton, and the animals that feed upon them, such as coral, sponges and baleen whales. The neritic zone is the relatively shallow ... More »

The term “hot zone” generally refers to any dangerous location. Entering such a location often requires protective clothing, elevated security clearances and highly specialized training. In medical usage, the term refers... More »

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The ocean is important to life on Earth because of the role it plays in both the hydrologic cycle and the carbon cycle. The hydrologic cycle, also known as the water cycle or H2O cycle, refers to the relationship that ex... More »

It is not possible to give a single number to represent the average temperature of the Atlantic Ocean in its entirety, given the vast area, multiple climactic regions and varying depths that the ocean covers. There are, ... More »