vironment, directed by the organism, cf. Klinokincsis, 

 Orthokinesis. 



Koprophagous 



See Coprophagous. 



Krotovinas 



Irregular, tubular streaks within one soil horizon, con- 

 sisting of material transported from another horizon; caused 

 by filling of tunnels made by burrowing animals, especially 

 rodents. 



Krummholz 



Scrubby, stunted growth-form of trees, often forming a 

 characteristic zone at the limit of tree growth in mountains. 



200 



