All About NematodesClassification Phylum: Nematoda, Classes: Adenophorea, Secernentea, Sub-Classes: Enoplia, Chromadoria, Rhabditia |
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Nematodes evolved over 300 million years ago, and were the first animals to evolve blood vessels to carry oxygen. There are over 12,000 different species. They can live in the most extreme climates, from hot springs to polar ice. They can cause death and disease, but they can help our crops thrive and help our environment. Nematodes are a diverse group or parisites who can both help and hurt us. Find out how...  http://www.ipm.iastate.edu/ipm/icm/files/images/nematodes_0.jpg
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