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Vor 3 Tagen · Dolphin. A dolphin is an aquatic mammal within the infraorder Cetacea. Dolphin species belong to the families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins ), Iniidae (the New World river dolphins), Pontoporiidae (the brackish dolphins), and possibly extinct Lipotidae (baiji or Chinese river dolphin).
Vor 3 Tagen · Scientists have analyzed the ability of the oceans to sequester atmospheric carbon before industrial whaling and in modern times, hundreds of years after the most active whaling periods. Focusing on the amount of carbon stored in baleen whales, scientists determined that large marine mammals hold over 9 million less tons of carbon in the ocean than during the pre whaling era (9.1 x 10^6 tons).
Vor 3 Tagen · Despite their name, “killer whales” aren’t true whales–they are, in fact, “oceanic dolphins.” Generally, whales tend to be larger and have more elongated bodies compared to dolphins. Notable...
Vor 2 Tagen · Liste von Kreuzfahrtschiffen. Die Liste von Kreuzfahrtschiffen gibt einen Überblick über möglichst alle Seekreuzfahrtschiffe, unabhängig davon, ob sie sich noch im aktiven Dienst befinden oder nicht. (Flusskreuzfahrtschiffe stehen unter Liste von Flusskreuzfahrtschiffen .)
Vor 3 Tagen · Earth's oceanic basins cover different geologic provinces of Earth's oceanic crust as well as continental crust. As such it covers mainly Earth's structural basins , but also continental shelfs . In mid-ocean, magma is constantly being thrust through the seabed between adjoining plates to form mid-oceanic ridges and here convection currents within the mantle tend to drive the two plates apart.
Vor 4 Tagen · Southern Ocean, body of salt water covering approximately one-sixteenth of Earth’s total ocean area. The Southern Ocean is made up of the portions of the world ocean south of the Pacific, Atlantic, and Indian oceans and their tributary seas surrounding Antarctica below 60° S.
Vor 5 Tagen · fish, any of approximately 34,000 species of vertebrate animals (phylum Chordata) found in the fresh and salt waters of the world. Living species range from the primitive jawless lampreys and hagfishes through the cartilaginous sharks, skates, and rays to the abundant and diverse bony fishes. Most fish species are cold-blooded; however, one ...
