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Hace 1 día · Sponges are worldwide in their distribution, living in a wide range of ocean habitats, from the polar regions to the tropics. Most live in quiet, clear waters, because sediment stirred up by waves or currents would block their pores, making it difficult for them to feed and breathe.
Hace 17 horas · Scientists believe surging ocean temperatures, driven in part by climate change, are responsible for the latest bleaching event, which has spanned from Panama to Australia – and is getting worse . Experts say corals are among the most vulnerable ecosystems on the planet to climate change. These undersea cities, which support 25 per cent of ...
Hace 1 día · Pacific Ocean, body of salt water extending from the 60° S parallel in the south to the Arctic in the north and lying between the continents of Asia and Australia on the west and North and South America on the east.
Hace 3 días · About 1,900 species of starfish live on the seabed in all the world's oceans, from warm, tropical zones to frigid, polar regions. They are found from the intertidal zone down to abyssal depths, at 6,000 m (20,000 ft) below the surface.
Hace 1 día · Sharks are found in all seas. They generally do not live in fresh water, with a few exceptions such as the bull shark and the river shark which can swim both in seawater and freshwater. Sharks are common down to depths of 2,000 metres (7,000 ft), and some live even deeper, but they are almost entirely absent below 3,000 metres ...
Hace 3 días · Roughly 2 million species live in the world's oceans. But scientists have only described a mere 10% of them. With extinctions on the rise and biodiversity threatened worldwide, many species are in ...
Hace 5 días · dugong, ( Dugong dugon ), marine mammal that inhabits the warm coastal waters of the Indian and Pacific Oceans, feeds on seagrasses, and is similar to the manatee.
