In the pond ecosystem the producers are the pondweeds, algae and other green plants that are able to use sunlight as a source of energy to produce food.
(the producers; are; the pondweeds, algae and other green plants; L:In the pond ecosystem) (other green plants; are; able to use sunlight as a source of energy to produce food)
the producers other green plants
are are
the pondweeds, algae and other green plants L:In the pond ecosystem
able to use sunlight as a source of energy to produce food