Which of the following is a density-independent limiting factor? O struggle for resources like food
O disease
O a yolcanic eruption

A volcanic eruption is an independent factor of density. Because it is not related in any way to the population, which is part of a feedback system. Hope this can help you! .

the bald eagle got 50 because everything gets 10% of what they consume and since 50 is ten % of 500 hundred that means the   grasshopper had to have consumed a plant with 5,000 calories of energy