How many sperm cells are formed from an original cell in a Drosophila fruit fly at the conclusion of meiosis?
A two haploid sperm cells
B. two diploid sperm cells
C. four haploid sperm cells
D. four diploid sperm cells

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. label the following topographic map. click on a label below the map to select it, and then click on the appropriate box on the map to place the label. (increments for contour lines is 50 ft).

What does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?