nematode, also called roundworm, any worm of the phylum Nematoda. Nematodes are among the most abundant animals on Earth.
What are the most numerous worms on the planet?
Wikimedia CommonsMore than 400 quintillion nematodes inhabit the Earth. Although nematodes are roundworms, they aren't true worms like the ones most people know about. They're microscopic multicellular organisms that pretty much rule the Earth. Nematodes are the most numerically abundant animals on the planet.
What are the 3 types worms?
Worms are classified into three major phyla, or groups. They are flatworms, roundworms, and segmented worms. Flatworms belong to the phylum Platyhelminthes (plat ee hel MIN theeze). Most flatworms are parasites that obtain their food from a host animal.
How many roundworms are there?
Not only are there more than 15,000 known species of roundworms, but there are many thousands of individual nematodes in even a single handful of garden soil. And they keep coming! Some species of roundworm may contain more than 27 million eggs at one time and lay more than 200,000 of them in a single day.
How many worms exist on the planet?
There are 57 billion nematodes for every human on earth; Understanding them will help address climate change.
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