Answer:
C) Genes are in the order: a-b-c.
There are several information's of immense importance already given in the question. Based on those information's the answer can be easily deduced.
Initial number of bacteria in the culture = 1000
Number of bacteria after t hours = 1000 (2)^t
Then
1000 (2)^t = 50000
2 ^t = 50
t = 5.6
I hope the procedure is clear enough for you to understand.
They are mostly habittated to watter because they requres oxygen more from water or there organ setup to do it works properly under water.
I Think it’s a b or d That’s The only Thing That I can Think of I hope This helps ya