At a Spatial Scale of Approximately 10mm in Radius,the Grass

Multiple Choice

At a spatial scale of approximately 10mm in radius,the grass species Aira praecox was found to be _______ with another grass,Erodium cicutarium.As a result A.praecox tended to occur in small single-species clumps making it less likely to experience competition from E.cicutarium.

A) Positively associated.
B) Negatively associated.
C) Neutrally associated.
D) Slightly associated.