Microbial Ecology and Indigenous Microflora Quiz

Microbiology and Ecology

• The study of the interrelationships between microbes and their environment is called microbiology or microbial ecology.

Human Microbiome

• The indigenous microflora of humans is composed of approximately 39 trillion microbial cells, representing thousands of different species.
• The collective microbes residing on and within a person's body are referred to as the microbiome or microbiota.

Microbe-Free Zones

• The following areas of the body are normally free of microorganisms: the brain, spinal cord, and blood.

Symbiotic Relationships

• The term used to describe two dissimilar organisms living together in a close association is symbiosis.
• Examples of symbiotic relationships include mutualism, commensalism, and parasitism.

Microbial Ecology

• The study of the interrelationships between microbes and the world around them is called microbial ecology.

Human Microbiome Characteristics

• The indigenous microflora of humans plays a crucial role in human health and disease.
• The human microbiome is dynamic and can change in response to various factors, such as diet, environment, and lifestyle.