Terrace 



(1) Flat or undulating land usually with a steep face 

 bordering a stream, lake, or sea cf. Floodplain. (2) An em- 

 bankment of earth built across a slope to control Run-off and 

 reduce erosion. 



Terrestrial 



Refers to the land. 



Terrigenous 



Refers to deposits derived from the land. cf. Allochtho- 

 nous, Autochthonous. 



Terriherbosa 



Herbaceous types of vegetation on dry land, e. g., Steppe, 

 Prairie. 



Territoriality 



The behaviour of an animal when it defends an area from 

 intruders, e. g., various birds and fishes. 



Territory 



(1) The area occupied by an individual or group of or- 

 ganisms. (2) The area which an animal defends against in- 

 truders, cf. Home range. 



Terron 



An earthen construction made of bricks that have been 

 cut directly from the natural sod of sedge meadows and dried 

 in the sun. cf. Adobe. 



Tertiary 



The first of two geological periods in the Cenozoic era 

 comprising the Paleocene, Eocene, Oligocene, Miocene, and 

 Pliocene epochs; in order from the oldest to the most recent. 



Testa 



The outer covering or coat of seeds. 



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