Study Outline. 1  Microbiology-An Introduction. 2  Microbiology is the study of organisms too small to be clearly seen by the unaided eye (i.e., microorganisms); these include viruses, bacteria, archaea, protozoa, algae, and fungi.tudy Outline. 1  Microbiology-An Introduction. 2  Microbiology is the study of organisms too small to be clearly seen by the unaided eye (i.e., microorganisms); these include viruses, bacteria, archaea, protozoa, algae, and fungi.
Well, according to the CIA's The World Factbook, the current average human lifespan is approximately 66 and a half years. On average the current life expectancy for the world is about 67.2 years.
(Age in years from birth to death). Today humans have an average life span of 31.99 years in Swaziland and 82 years in Japan. The oldest confirmed recorded age for any human ever born is 122 years of age, though some people are reported to have lived longer there are no records to confirm these claims.Age in years from birth to death). Today humans have an average life span of 31.99 years in Swaziland and 82 years in Japan. The oldest confirmed recorded age for any human ever born is 122 years of age, though some people are reported to have lived longer there are no records to confirm these claims.