B. .25 x 4 equals one. Which is that one day we add.
Answer: 20 minutes
Explanation: Binary fission is a very quick way to reproduce. Some bacteria are able to divide themselves up every 20 minutes. A billion bacteria can be produced in this way from one bacterium in just ten hours given the right conditions.
I wouldn't think that it is possible. Unless the animal can absorb nutrients and sugars through its skin, otherwise it isn't possible. (this is just an opinion of what I think)
Hope this helps