Ocean Life Marine Animal Videos Compilation (2018) Animales Marinos Video Recopilación

2019-01-15 15:58:11

by Animal Planet Videos

1516

Ocean Life Marine Animal Videos Compilation 2018 Animales Marinos Video Recopilación Animal Planet VideosMarine animals are cute and funny Marine animals are awesome Check out these cute marine animals and funny marine animals in this cute and funny marine animals videos compilation Los animales marinos son lindos y adorables Los animales marinos son increíbles Vea esta divertida recopilación de graciosos vídeos de animales marinos VIDEO PLAYLISTS Marine life or sea life or ocean life refers to the plants animals and other organisms that live in the salt water of the sea or ocean or the brackish water of coastal estuaries At a fundamental level marine life helps determine the very nature of our planet Marine organisms produce much of the oxygen we breathe Shorelines are in part shaped and protected by marine life and some marine organisms even help create new land Most life forms evolved initially in marine habitats Oceans provide about 99 percent of the living space on the planet The earliest vertebrates appeared in the form of fish which live exclusively in water Some of these evolved into amphibians which spend portions of their lives in water and portions on land Other fish evolved into land mammals and subsequently returned to the ocean as seals dolphins or whales Plant forms such as kelp and algae grow in the water and are the basis for some underwater ecosystems Plankton and particularly phytoplankton are key primary producers forming the general foundation of the ocean food chain Marine vertebrates must obtain oxygen to survive and they do so in various ways Fish have gills instead of lungs although some species of fish such as the lungfish have both Marine mammals such as dolphins whales otters and seals need to surface periodically to breathe air Some amphibians are able to absorb oxygen through their skin Invertebrates exhibit a wide range of modifications to survive in poorly oxygenated waters including breathing tubes see insect and mollusc siphons and gills Carcinus However as invertebrate life evolved in an aquatic habitat most have little or no specialisation for respiration in water Altogether there are 230 000 documented marine species including over 16 000 species of fish and it has been estimated that nearly two million marine species are yet to be documented Marine species range in size from the microscopic including plankton and phytoplankton which can be as small as 0 02 micrometres to huge cetaceans whales dolphins and porpoises which in the case of the blue whale reach up to 33 metres 109 feet in length being the largest known animal