To determine how many kilocalories of energy the tertiary consumer (tuna) will receive, we can use the 10 percent rule. This rule states that only about 10% of the energy from one trophic level is passed on to the next.
- Start with the primary producer (algae): 135,000 Kcal
- Calculate the energy available to the primary consumers (shrimp):
- 10% of 135,000 Kcal = 13,500 Kcal
- Calculate the energy available to the secondary consumers (lantern fish):
- 10% of 13,500 Kcal = 1,350 Kcal
- Calculate the energy available to the tertiary consumers (tuna):
- 10% of 1,350 Kcal = 135 Kcal
So, the tuna (the tertiary consumer) will receive 135 Kcal of energy.
The answer is: 135 Kcal.