Yannick’s class measured the width of one leaf several times. the values that the class recorded included 10 mm, 8 mm, 15 mm, 5 mm, and 13 mm. what is lacking from the measurements that the class made?

The answer is B.) Precision

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.

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.