The ______ Ignores All the Scores Between the Most Extreme

question 55

Multiple Choice

The ______ ignores all the scores between the most extreme scores and therefore is a crude measure of variability.

• A) mean
• B) range
• C) standard deviation
• D) variance

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Definitions:

Autotroph

Autotrophs are organisms that produce their own food from inorganic substances using light or chemical energy, forming the base of the food chain in ecosystems.

Heterotrophs

Organisms that obtain their energy by consuming other organisms, unable to synthesize their own food from inorganic sources.

Tertiary Consumer

An organism that typically eats secondary consumers, residing at or near the top of a food chain and usually a carnivore or an omnivore.

Ecological Efficiency

A measure of the energy transfer between different trophic levels in an ecosystem, typically representing how much energy from a lower level is available for use at the next level.