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Published on 31 March 2023
Joshua's Personal Gallery
FUN FACTS ABOUT Nematodes
Do you know?
Do you know?
Nematodes are called roundworms or eelworms Because their bodies: Are long, cylindrical, and tapered at each end.
The word nematode consists of two Greek words: nema- meaning “thread” + odes- meaning “like”. So nematode means “threadlike”
Nematodes are present everywhere in the world: freshwater saltwater mountain tops and in polar regions.
For every human on Earth, we have 60 billion nematodes. They are the second-most abundant organism in the world.
Nematodes evolved from simple animals Around 400 million years ago Before the "Cambrian explosion" of invertebrates
The oldest fossil of nematodes was found in: A Lebanese amber It was dated 130-135 million years ago.
The earliest parasitic nematode is a primitive plant parasite Existed in the Devonian era and called Palaeonema phyticum. Unfortunately, it is extinct.
The largest nematode is Placentonema gigantissima It is a parasite in the placenta of a sperm whale. It is 8.4 m long.
A nematode survived the Columbia space shuttle disaster in 2003 It is a model organism for molecular biology Called Caenorhabditis elegans.
The oldest living organism on earth is a nematode It existed from the Pleistocene era It is 42000 years old. Still alive and was discovered in Siberia.
The first plant parasitic nematode is Anguina (seed gall). Was accidentally identified by Turbevil Needham in 1743 Was first called Vibrio tritici.
Only 15% of the nematode phylum are parasites of plants. They are known as agricultural pathogens They cause massive crop losses.
Root-knot nematodes are nice designers of roots They make beads on plant roots Probably the most-notorious plant-parasitic nematode First reported in 1855 by Berkeley on cucumbers
The renowned nematologist Nathan Cobb was poetic He wrote in 1914: If arranged single file, the nematodes from a 10-acre field would form a procession long enough to reach around the world.
Thank you so much for watching
This video was created for the Cobb Nematology Foundation Science and Art Contest