Insects in flight have a higher metabolic rate than they do at rest and consume 10 to 200 times more o2 than when they are at rest. despite this high energy expenditure, insects are able to generate extra energy while flying. what mechanism facilitates this?

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.

what tree

explanation:

food source and hunting?