Use the following formula to find the efficiency of energy transfer between the harbor seal (2,500 Kcal) and a polar bear (375 Kcal).

Question

(Energy level transfered to next level)(Total energy input) × 100

(1 point)
Responses

15%
15%

12%
12%

20%
20%

10%

Answer 1

To find the efficiency of energy transfer between the harbor seal and the polar bear using the formula provided:

1. Identify the energy level transferred to the next level (in this case, the polar bear) and the total energy input (the harbor seal).

   • Energy transferred to the polar bear (from the harbor seal): 375 Kcal
   • Total energy input (energy level of the harbor seal): 2,500 Kcal

2. Plug the values into the formula:

\[ \text{Efficiency} = \left( \frac{\text{Energy level transferred to next level}}{\text{Total energy input}} \right) \times 100 \]

\[ \text{Efficiency} = \left( \frac{375 \text{ Kcal}}{2500 \text{ Kcal}} \right) \times 100 \]

3. Calculate:

\[ \text{Efficiency} = \left( 0.15 \right) \times 100 = 15% \]

So, the efficiency of energy transfer between the harbor seal and the polar bear is 15%.