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You are here: Home / Animals / What Is the Most Common Animal on Earth?

What Is the Most Common Animal on Earth?

May 6, 2020 by Karen Hill

No one knows for sure how many living things there are on earth. But scientists have estimated that the number of plants and animals alive on our planet today would come to a total of 3 with 33 zeroes after it.

most common animal on earth

And the most common of these creatures one you probably never see, the nematode sea-worm.

Nematodes are a kind of roundworm. They range in size from just 1/80 of an inch to about 3 feet long, but most are less than 1/4 inch long.

These worms live not only in all sea, lake, and river water, but in almost every inch of soil and in almost all animals. The number of nematode sea-worms on earth has been estimated as 40,000,000,000,000,000,000,000,000!

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Filed Under: Animals

About Karen Hill

Karen Hill is a freelance writer, editor, and columnist. Born in New York, her work has appeared in the Examiner, Yahoo News, Buzzfeed, among others.

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