Micro-animal
Micro-animals are animals so small that they can be visually observed only under a microscope. Unlike most other microorganisms, that are unicellular, micro-animals are unique because they are multicellular, like all other animals.
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A microscopic arachnid Lorryia formosa
Notable phyla include:
- Microscopic arthropods, including dust mites, spider mites, and some crustaceans such as copepods and certain cladocera.The smallest known insect is the wasp Megaphragma mymaripenne, which is a micro-animal smaller than many unicellular organisms. [1]
- Tardigrades ("water bears")
- Rotifers, which are filter feeders that are usually found in fresh water.
- Some nematode species[2]
- Many loricifera, including the recently discovered anaerobic species, which spend their entire lives in an anoxic environment.[3][4]
References
- Young, Ed. "How tiny wasps cope with being smaller than amoebas". Discover. Discover. Retrieved 16 August 2020.
- "Microscopic Animals". Natural Recources Conservation Service. Archived from the original on 2010-03-05. Retrieved 2010-04-16.
- Fang, Janet (6 April 2010). "Animals thrive without oxygen at sea bottom". Nature. 464 (7290): 825. doi:10.1038/464825b. PMID 20376121.
- "Briny deep basin may be home to animals thriving without oxygen". Science News. 9 April 2010.
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