A Composite Key Consists of Only One Attribute

question 7

True/False

A composite key consists of only one attribute.

Understand the adaptive features of mucosa in nutrient absorption in the digestive system.

Recognize the layers of the alimentary canal and their histological characteristics.

Describe the process and significance of water absorption and waste consolidation in the digestive tract.

Understand the structural adaptations of the alimentary canal for efficient digestion and nutrient absorption.

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Definitions:

Observations

The act of monitoring or recording data during an experiment or study.

Stratified Random Sampling

A sampling technique where the population is divided into distinct subgroups and samples are drawn from each subgroup.

Simple Random Sample

A sample in which each member of the population has an equal chance of being selected, minimizing biases in the sampling process.

M.D.

In a statistical context, this often refers to Mean Deviation, a measure of variability that averages the absolute deviations of data points from their mean.