Microorganism 



An organism that is microscopic in size, e. g., bacteria, 

 protozoa. 



Microphagous 



Refers to an animal that feeds on particles that are very 

 small in comparison to its own size, e.g., certain whales feed- 

 ing on plankton. 



Microphanerophyte 



A group of plants in Raunkiaer's life-form classification, 

 includes trees, shrubs, lianas, and epiphytes, two to eight 

 meters tall. 



Microphyll 



See Leaf-size classes. 



Microphyllous 



Refers to a plant that has small leaves. 



Mictopterous 



Refers to a fish with small fins or to an insect with small 

 hind wings, cf. Macropterous. 



Microrelief 



Minor differences in topography such as small mounds 

 or pits with differences in elevation of about three feet or 

 less. 



Microsere 



A series of successful stages that occur within a micro- 

 habitat such as a tree-stump. 



Microsome 



A minute, RNA-rich particle in the cytoplasm of a cell, 

 the center of protein synthesis. 



Microspecies 



A Species that is less inclusive than the Linneon (q. v.), 

 similar to Subspecies (q. v.). Syn. Jordanon. 



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