1.

Write the short note on the marine world​

Answer»

Marine life, or sea life or ocean life, is the plants, animals and other organisms that live in the salt water of the sea or ocean, or the brackish water of coastal estuaries. ... Other fish evolved into land mammals and subsequently returned to the ocean as seals, dolphins or whales.Three main groups of ocean life are plankton, nekton, and benthos.Oceans are an important SOURCE of food. They host 80 percent of the planet's BIODIVERSITY, and are the largest ecosystem on Earth. Fish provide 20 percent of ANIMAL protein to about 3 billion people.Explanation:Marine invertebrates include sea worms, JELLYFISH, sea anemones, shellfish, squid, octopus and STARFISH. Fish are vertebrates that are found in marine environments. Examples of ocean fish include sardines, anchovies, sharks and barracudas.hope It's help you



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