![]() ![]() As the name implies aerobic bacteria are the type of bacteria that can obligately and/or facultatively thrive in an oxygen-rich environment. Aerobic BacteriaĪerobic bacteria are the type of bacteria which synthesise their food material by photosynthesis and utilise oxygen for cellular respiration and other processes. ![]() These bacteria have evolved and developed physiological, and behavioural adaptability to the habitat by enhancing their mechanisms to thrive in stressful habitats.īacteria are classified into gram-positive and gram-negative, Aerobic and Anaerobic, Autotrophic and Heterotrophic based and different structural, physiological and behavioural distinguishes. Bacteria also exist in uninhabitable places such as hydrothermal vents, extreme cold glaciers, marshlands etc. Classification of Bacteriaīacteria is a cosmopolitan organism, which means bacteria exist everywhere. They are responsible for decaying unnecessary biological materials in the soil and recycling nutrients via the process of respiration and elemental fixation.īacteria also maintain symbiotic relationships with different plants and boost their respiratory and photosynthetic processes. Bacteria are important for life on Earth because they provide energy and break down waste. Most bacteria live in an aqueous environment and are found in the soil, water and air. About Bacteriaīacteria are microscopic organisms that live in or on other living organisms and are capable of altering or degrading their host cells. However, many scientists argue that life on earth originated from a single cell. During that time, bacteria were a predominant form of life and there were many complex and advanced bacteria on the planet. It is estimated that 3.5 billion years ago, the planet was home to a population of single-celled organisms, which is about the same time that life on the planet began. Bacteria were one of the earliest forms of life to appear on the planet. ![]()
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