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Aquatic animals such as Greenland shark, wolf fish, Atlantic cod, Atlantic halibut and Arctic char must cope with the sub-zero temperatures in their waters. Some aquatic mammals , such as walrus , seal , sea lion , narwhals , beluga whales and killer whales , can store fat called blubber that they use to help keep warm in the icy waters.
Overview of the cryosphere and its larger components [1]. The cryosphere is an umbrella term for those portions of Earth's surface where water is in solid form. This includes sea ice, ice on lakes or rivers, snow, glaciers, ice caps, ice sheets, and frozen ground (which includes permafrost).
The largest known iceberg in the North Atlantic was 168 metres (551 ft) above sea level, reported by the USCG icebreaker Eastwind in 1958, making it the height of a 55-story building. These icebergs originate from the glaciers of western Greenland and may have interior temperatures of −15 to −20 °C (5 to −4 °F). [10]
A chain, cluster, or collection of islands in a sea. arête A sharp, narrow mountain ridge, often resulting from the erosive activity of alpine glaciers flowing in adjacent valleys. [2] arroyo. Also wash. A deep gully cut by a stream that flows only part of the year; a dry gulch. The term is used primarily in desert areas in North America and ...
Marine life, sea life or ocean life is the collective ecological communities that encompass all aquatic animals, plants, algae, fungi, protists, single-celled microorganisms and associated viruses living in the saline water of marine habitats, either the sea water of marginal seas and oceans, or the brackish water of coastal wetlands, lagoons ...
The 64 global extensive coastal sea areas, as indicated by the National Oceanic and Atmospheric Administration, where primary production and biomass are higher than in the open ocean. lek mating An animal mating system in which an aggregation of male animals gathers to engage in competitive displays to entice females during the breeding season .
Ice worms (also written as ice-worms or iceworms, or also called glacial or glacier worms) are enchytraeid annelids of the genus Mesenchytraeus. The majority of the species in the genus are abundant in gravel beds or the banks of riverine habitats, [ 2 ] [ 3 ] but the best-known members of the genus are found in glacial ice.
Animals are multicellular eukaryotes, [note 1] and are distinguished from plants, algae, and fungi by lacking cell walls. [1] Marine invertebrates are animals that inhabit a marine environment apart from the vertebrate members of the chordate phylum; invertebrates lack a vertebral column. Some have evolved a shell or a hard exoskeleton.