Why Are Bacteria Abundant in the Large Intestines but Not

question 98

Multiple Choice

Why are bacteria abundant in the large intestines but not in the stomach?

• A) Food enters the stomach first and does not spend much time there.
• B) The intestine is much warmer and moister, encouraging bacterial growth.
• C) The stomach wall contains so much lymphoid tissue that it destroys all bacteria there.
• D) Secretions of parietal cells kill bacteria in the stomach.

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Definitions:

SAT scores

SAT scores are standardized test scores used for college admissions in the United States, assessing mathematical, verbal, and writing skills.

Confidence interval

An assortment of values, from sample-based statistics, that is speculated to contain the unseen population parameter value.

Population standard deviation

A measure of the dispersion or variability of a set of data points in a population, indicating how much the individual data points differ from the population mean.

Sample mean

The average value of the sample set, calculated as the sum of all observations divided by the number of observations.