Less than 0.1% of the energy in a food chain generally makes it from the sun to quaternary consumers

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.

we would need to see the picture to answer it

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.