I am seriously struggling with this question can someone please help me.

Global phytoplankton levels

a. decrease in the summer and increase in the winter
b. remain the same in the summer and winter
c. increase in the summer and decrease in the winter

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?

The more rapidly sedimentation occurs, the more likely it is that the remains will successfully form a fossil. as sedimentation continues, what happens to the amount of weight settling onto the organism? stays the same increases decreases cuts in half