<Ul> <Li> the identity or existence of a few dominant species (called strong interactors or keystone species) </Li> <Li> the total number of species and food - chain length (including many weak interactors) and </Li> <Li> how community structure, function and stability is determined . </Li> </Ul> <Li> the identity or existence of a few dominant species (called strong interactors or keystone species) </Li> <Li> the total number of species and food - chain length (including many weak interactors) and </Li> <Li> how community structure, function and stability is determined . </Li>

Explain the feeding relationships between the main groups of organisms in a food web