(a) Describe the importance of phenotypic variation in louse body color among individuals in a population of lice.

(b) Justify the decision of the researchers to hold lighting conditions constant in their experiment.

Drag each label to the correct location. claire had a heavy breakfast early in the morning. then she went to the gym to exercise. after the gym, claire went to class. while exercising, the body requires a continuous supply of energy and uses up blood sugar at a faster rate. how will hormones maintain the sugar balance in the body from breakfast until claire has lunch?