The ____ Are Air-Filled Respiratory System Structures Common in Insects

question 25

Multiple Choice

The ____ are air-filled respiratory system structures common in insects.

• A) gills
• B) tracheal tubes
• C) lungs
• D) integumentary surfaces
• E) air sacs

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Definitions:

Median

The middle value in a set of numbers, which separates the higher half from the lower half of the dataset.

Mean

The mean value, determined by dividing the total sum of numbers in a series by the quantity of numbers in that series.

Median

The middle value in a sorted list of numbers, or the average of the two middle numbers when the list has an even number of entries.

Standard Deviation

An approach to quantifying how much a group of numbers disperses or varies from each other.