Which organism receives the least amount of energy from producers? Quaternary Consumers
Secondary Consumers
Primary Consumers
Tertiary Consumers

the element that provides strength to the exoskeletons of clams and oysters is phosphorus. this is so because calcium carbonate is the main component in the shells.

explanation:

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.