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Q: When did the phylum nematode first appear on earth?
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Related questions

Where did Arthropods first appear on earth?

yes


When did Phylum Chordata first appear?

Phylum Chordata first appeared over 500 million years ago during the Cambrian period in the early Paleozoic era. It includes vertebrates such as fish, amphibians, reptiles, birds, and mammals, making it one of the most diverse and successful groups of animals on Earth.


When did the first ladybug appear on earth?

Chick or the egg!


What were the first orgisms to appear on earth?

In someones pants??


What were the first creatures to appear on earth?

well the first thing was algae...and formed from there on


What organisms are thought to have been the first to appear on earth?

bacteria


Is a horse a phylum or class?

First things first: there is no such thing as an "ecological phylum". A phylum is a taxonomic term. Horses are in the Phylum Chordata, and the Subphylum Vertebrata. They are in the Class Mammalia.


When did first organism appear on earth?

Read your science book chapter . It is on the first page.


When did the first creatures with bones appear on earth?

the animals come on earth because god put them there


What ecological phylum or class is a horse?

First things first: there is no such thing as an "ecological phylum". A phylum is a taxonomic term. Horses are in the Phylum Chordata, and the Subphylum Vertebrata. They are in the Class Mammalia.


When did fish first appear on earth?

About 475 million years ago


When did woolly mammoth first appear on earth?

about 236,00 years ago.