A bacteriologist is studying two asexually reproducing strains of E. coli. The two require different amounts of trace minerals f
or survival; on these grounds, the bacteriologist determines that they are separate species. In making his determination, he is using what species concept
Ecological species concept is one of the species concept that claims or explains that species is a set of organisms that are able to adapt to a particular set of resources in particular environment .
It should be noted that, because the strains of the E. coli require different amount of trace minerals for survival indicates that they are separate species, which are adapted different sets of resources of different environment.