Affiliate Marketing Secrets

A. the organisms may have to compete directly
B. one organism usually migrates to a new habitat
C. the two organisms will always form a symbiotic relationship
D. both organisms will disappear from the habitat
In his experiments with two species of paramecia, G. F. Gause proved that two competitors cannot coexist on the same limited resources. This outcome demonstrated the principle of
A. symbiosis
B. intraspecific competition
C. succession
D. competitive niche
When two species compete, the niche that each species ultimately occupies is its
A. competitive niche
B. exclusive niche
C. fundamental niche
D. realized niche