If one sample of food contains 200 calories and another contains 300 calories, which statement applies? a. the200 calorie food contains more potential energy than the 300 calorie food b. the 200 calorie food contains less potential energy the 300 calorie food*** c. the 200 calorie food contains the same potential energy as the 300 calorie food d. the potential energy of both foods cannot be determined unless they are combusted in a calorimeter

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural. question 2 reflects a moral or social value. question 3 refers to something that can be measured. question 4 reflects a question that can’t be observed.

Suppose a particular species of tulip plant has three alleles for the gene that codes for flower color. the cr allele produces red tulips, the cp allele produces purple tulips, and the cw allele produces white tulips. cr is dominant over cp and cw, and cp is dominant over cw. for each of the following crosses, determine the expected ratio of offspring for each flower color. cr cp x cp cw cr cw x cp cw 1 red: 1 purple : 0 white, 1 red: 2 purple: 1 white, 2 red: 1 purple 1 white, 1 red: 3 purple : 0 white, 2 red: 0 purple : 2 white, 2 red: 2 purple : 0 white

Which statement describes the punctuated equilibrium theory?