Trophic Efficiency Is

question 4

Multiple Choice

Trophic efficiency is

• A) the ratio of net secondary production to assimilation of primary production.
• B) the percentage of production transferred from one trophic level to the next.
• C) a measure of how nutrients are cycled from one trophic level to the next.
• D) usually greater than production efficiencies.
• E) about 90% in most ecosystems.

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Definitions:

Dummy Variables

Binary variables used in regression models to represent categorical data, where the values 0 and 1 indicate the absence or presence of some categorical effect.

Qualitative Variable

A categorical variable that represents types or categories and can be described by names or labels.

High School

An educational institution that provides secondary education, typically for students aged 14 to 18 years old.

Regression Model

A statistical technique that models and analyzes the relationships between a dependent variable and one or more independent variables, used to predict the outcome of the dependent variable.