How does reducing gene flow cause speciation?
O
A. It allows divergence to occur.
O
B. It eliminates fixed alleles.
O
C. It increases gene flow.
O
D. It stops adaptive radiation.

This type of galaxy is an approximately ellipsoidal shape and a smooth, nearly featureless image. they are the largest single star systems, in the universe and are built by the collisions of many smaller galaxies.