Which choice is likely to result in the most competition?

a.
organisms that live in different ecosystems

b.
organisms that use the same resource

c.
organisms that live in the same area

d.
organisms that are classified in the same phylum

B. organisms that use the same resource
( example) there are snakes and Hawks they are both going for the mouse now if all of their kind goes for the exact same Mouse species that Mouse will go extinct or after the races are gone the snakes in the Hawks will have to change to a different resource keep living