Speech On Sea Life

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Sea Life All life on earth needs water for its survival. So the oceans play one of the most important roles for life on earth. We have come to know that life started off in the sea. The first ever and simplest life form originated in the sea some 4 billion years ago. Water on Earth is two-third of the Earth’s surface. Due to its depth, sea habitat covers about 300 times the habitable volume of the globe. About 230,000 species live in the sea. Also new species are being discovered almost every day and there doesn’t seem to be an end to this process. Sea animals are very strange and very different from the animals on land. They are very complex and hard to understand. Marine animals have a great deal of diversity, from the microscopic, like

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