
According to the chart, identify all the organisms that are primary consumers.
According to the chart, identify all the organisms that are secondary consumers.


What kind of organism makes up the base of the energy pyramid or food chain?

Looking at the data table, What percent of a caterpillar's energy is used for digestion?

If a hedgehog needs to eat 50 calories a day to survive. How many caterpillars must a hedgehog eat every day?
If producers have 1000 calories, how many calories are transferred to herbivores?
How many calories do hedgehogs get from eating a caterpillar?
If the producers in the food web were removed, which of the following changes would most likely to occur?