If you want to set up a controlled experiment to determine the effects of caffeine on sleeping behavior in mice, you take a group of mice and divide it into two groups. both are fed the same food, both are watered, both have 12 hours daylight, and 12 hours dark. group one is given caffeine. what is appropriate to give to group two

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.

if, i suppose that a bee stings me swinging my hand away from a bee. then that if, i persist patient when a bee or wasp areas on your surface to investigate a scent or to take h2o and i secreting heavily, the bug ultimately will move of its personal agreement. if i don't need to set for it to disappear, lightly and gently wipe it off with a part of the paper.