Deciduous Forest Food Web

Directions: Create a food web using the organisms described below. Indicate with different colors which are primary producers, primary consumers, secondary consumers, etc. You may chose to write the organism name in color or give each name a color border. Include a legend to explain what the colors represent.

Organism Description Trophic level
trillium spring flowering bulb whose seeds have nutritious fatty bodies that attract ants primary producers
elderberry large shrub with numerous berries favored by birds and mammals primary producer
alder small shrubs and trees forms symbiotic relationships with nitrogen fixing bacteria primary producers
oak large trees with nutritious nuts primary producers
nematodes, earthworms, snails large group of small invertebrates detritivores - organic matter, bark, roots, wood, and leaves
beetles insects (¼ of all species of animals are beetles) carnivores and detritivores
voles large group of small rodents herbivore - plant materials and fungus
squirrels several species of arboreal rodents herbivore - seeds of various shrubs and trees
deer familiar hoofed mammal herbivore - eats grass, shrubs, small plants
owls large group of night-flying birds carnivore - rodents and other small mammals
weasel active, fierce, lanky mammal (18 inches with tail) carnivore - birds and rodents
raccoon medium-sized mammal omnivore - rodents, birds and plant materials
bobcat medium-sized member (25 pounds) of cat family carnivore - rodents, rabbits and weakened deer