IMPORTANT MATH STUFF U NEED TO KNOW

Question 1

The kcal for the sunlight hitting Earth’s surface is 30,000,000.
2,600,000 kcal was transferred to the primary producers.
What is the % of energy transferred from sunlight to primary producers?

Answer 1

8.6%.
amount of kcal of the trophic level the energy is transferring from divided by the amount of kcal being transferred from that level to the next trophic level, multiply the answer by 100

2,600,000/30,000,000=0.08666…
0.088666..=8.6%

When finding percent of a number for energy pyramids, divide the lesser number by the larger number. Multiply the answer by 100 to find the %.

Question 2

what is the approximate rule of energy percent transfer in energy pyramids?

Answer 2

10% transfer

Question 3

how do u calculate net energy when finding good diets for lions?

Answer 3

Energy available for total number of prey - energy cost to hunt total number of prey

Question 4

how to find what percent is (number) of (number)

Answer 4

divide part number by whole number then multiply by 100