ASAP I WILL MARK BRAINLIST When will natural selection occur?
A. When there is no competition
B. When there is limited food
C. When there are plenty of resources
D. When there is no genetic variation

What type of cell is produced after fertilization occurs and the gametes combines ?

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?