2. How are a food chain and a food web different?
A. A food chain shows only one path of energy flow whereas a food web shows all the possible food chains in an ecosystem.
B. A food chain shows only one path of energy flow whereas a food web shows how much of the energy is transferred each time.
C. A food chain shows all the possible ways energy flows in an ecosystem whereas a food web shows only one path of energy flow.
D. A food chain shows how much energy is transferred in an ecosystem whereas a food web shows all the possible food chains.