1. Use the vocabulary to label the food web.
- tertiary consumers
- secondary consumers
- primary consumers
- producers & decomposers
2. Complete the sentences.
a) Producers are the most important organisms in an ecosystem.
b) Autotrophs make energy from sunlight.
c) Herbivores, omnivores and carnivores are heterotrophs.
d) Biomass is the energy in an ecosystem.
e) All organisms in an ecosystem are connected.
f) Secondary consumers are predators and prey.
g) Decomposers recycle nutrients into the soil.
Parent Tip: Review the logic above to help your child master the concept of food chains and food webs worksheet high school.