The great evolutionary advantage for organisms that reproduce sexually is genetic variation

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

Use the drop-down menu to complete the statement. an electron in the first energy level of the electron cloud has an electron in the third energy level.a. a lower energy thanb. a higher energy thanc. the same energy as

What is the role of fadh2 in cellular respiration