1-2 

 INSTAR 



A stage in the life cycle of an insect or other 

 arthropod between two successive molts . 



INTERACTION 



Mutual or reciprocal action or influence between 

 organisms, between organisms and environment , 

 or between environmental factors. 



INTERSPECIFIC 



Refers to relations or conditions between 

 species . (See Intraspecific ) 



INTERTIDAL ZONE 



(Tidal Zone) 



INTOLERANT 

 ORGANISMS 



( Sensitive Organisms ) 



INTRASPECIFIC 



Refers to relations or conditions between 

 individuals within a species . (See 

 Interspecific ) 



INVERSE ESTUARY 



Type of est ary in which evaporation exceeds 

 the supply of freshwater; evaporation > 

 freshwater inflow + precipitation. (See 

 Positive Estuary , Neutral Estuary ) 



INVERTEBRATES 



Animals without an internal skeletal structure; 

 e.g., insects, mollusks, crayfish. (See 

 Veterbrate) 



