Look at the food web above. What are the primary producers in this food web?
In the food web above, what are the herbivores (primary consumers)?
What would be the top consumers in the food web?
The grain in this ecosystem stores about 10,000 kcal of energy. About how many kilocalories of energy would be stored in the primary consumers that consume the grain?
A disease comes through and kills off the grain in this ecosystem. What might be the effect on the owl population, and why?