Question

part a
what is the major component missing from this food chain in order to see the flow of energy?
a there are no producers
b there should be a higher level consumer
c these fish do not actually live in the same aquatic habitat
d the bird should not be there as it is the only terrestrial organism

Explanation:

Producers (e.g., plants, algae) are the base of food chains, converting sunlight into energy via photosynthesis. Without producers, there is no initial energy source for consumers, so energy flow cannot start.

Answer:

A. there are no producers