The Collection of Bacteria That Live on and Within the Human

question 56

Multiple Choice

The collection of bacteria that live on and within the human body are being isolated, identified and characterized; they are referred to as the human ______. It has been demonstrated that these organisms differ based upon the age, diet, geography and state of health of the human from which they were obtained.

• A)macrobiome
• B)metagenome
• C)minibiome
• D)microbiome
• E)homobiome

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Definitions:

Community

An association of populations of different species living together in a defined habitat with some degree of interdependence. Compare with ecosystem.

Sexual Reproduction

A type of reproduction in which two gametes (usually, but not necessarily, contributed by two different parents) fuse to form a zygote. Compare with asexual reproduction.

Genetic Variation

The diversity in gene frequencies within a population, resulting from mutation, sexual reproduction, and other genetic processes, contributing to the population's adaptability.

Evolution

Any cumulative genetic changes in a population from generation to generation. Evolution leads to differences in populations and explains the origin of all the organisms that exist today or have ever existed.