I think all of the above
because I think all dogs enjoy water
D. Is the answer you are looking for, because the new bacterium is almost always the same as the parent. Answer D. Is not true.
1c. More
2d. In
2a. Inward
2b. Upward
2c. Less
2d. Out of ( not so sure though try searching on google maybe )
Anyways I hope this was helpful