Chapter 7, Problem 2CTQ

Summary Introduction

To provide:

An evidence in support of or against the statement,“Microbial life can exist in the complete absence of sunlight or organic nutrients”.

Introduction:

A wide variety of microbial life is found on the Earth. These microbes derive energy from various sources like sunlight, or chemical reactions involving organic or inorganic compounds. The energy derived by the microbes is used in their structural and metabolic activities, like respiration and maintenance of the cell wall.