Creatures that feed on nectar and pollen, collectively called "pollinators" because their feeding activity pollinates plants and allows seeds 
(their feeding activity; pollinates; plants) (their feeding activity; allows; seeds) (Creatures that feed on nectar and pollen; collectively called; pollinators; because their feeding activity pollinates plants and allows seeds) Context(Creatures that feed on nectar and pollen collectively called,List([0, 61))):(Creatures; feed; on nectar and pollen)
Creatures that feed on nectar and pollen collectively called,List([0, 61))
their feeding activity their feeding activity Creatures that feed on nectar and pollen Creatures
pollinates allows collectively called feed
plants
seeds
pollinators because their feeding activity pollinates plants and allows seeds
on nectar and pollen