To conserve energy the genes in e. coli are always active never active only active when needed nonfunctional

Answer : Option C) Only active when needed.

Explanation: E.Coli is a bacteria that lives inside a human body causing no harm to us instead it preserves a place in our body so that no other bacteria gets entry the body. It is present in the large intestine but remains in inactived,non functional state but if it enters into the thoracic cavity in the stomach then it gets activated and may harm us. 

Organisms are more likely to be more preserved in mud than sand because mud is moist and wet, while sand is very dry.

I’m guessing you’re more alert to yourself or your surroundings if you’re more concentrated