Most organisms in an ecosystem have more than one food source (e.g., fish feed on both insects and plants) and therefore belong to more than one food chain.
(Most organisms in an ecosystem; have; more than one food source (e.g.) (Most organisms in an ecosystem; therefore belong; to more than one food chain)
Most organisms in an ecosystem Most organisms in an ecosystem
have therefore belong
more than one food source (e.g.
to more than one food chain