So it starts with the sun and then goes to the producer who has 100% of energy. then each time it goes down(primary,secondary) it loses 10% of energy meaning that the for the primary it only has 10% left of the 100% and the secondary has 1% of the 100%
hope this helps
food web, it could extend way farther and take longer to understand in a way
Answer: Depends on what are you trying to do , a project ?
Explanation: