Which of the following statements about geothermal energy is not true? a. it is not a practical source of energy b. it is an important source of energy in volcanically active areas
c. it works best when the magma pool is near the surface of earth
d. it is a renewable source of energy

Joe is breeding cockroaches in his dorm room. he finds that the average wing length in his population of cockroaches is 4 cm. he chooses the six cockroaches that have the largest wings; the average wing length among these selected cockroaches is 10 cm. joe interbreeds these selected cockroaches. from earlier studies, he knows that the narrow-sense heritability for wing length in his population of cockroaches is 0.6. a. calculate the selection differential and expected response to selection for wing length in these cockroaches. b. what should be the average wing length of the progeny of the selected cockroaches?

An easy way to calculate the amount of energy available at each level is to what?

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes