A cladogram is a branching diagram showing the cladistic relationship between a number of species
Basically you have hydrophilic (water loving) and hydrophobic (water hating) the heads are hydrophilic and the tails are hydrophobic. this allows the cell to be selectively permeable. this means selectively allows or does not allow substances In or out
I think b.only select generation are effective...
C. The answer should be c, seeing as how bacteria die under high heat.