Which of the Following Is Not True for Arbuscules

question 41

Multiple Choice

Which of the following is not true for arbuscules?

• A) They are an ancient association between plants and fungi.
• B) They expand the effective root area of plants and allow more efficient water uptake.
• C) They are a significant source of fixed nitrogen for plants.
• D) They are a significant source of phosphorous for plants.
• E) Most land plants have them.

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Definitions:

SST

Total sum of squares in statistical analysis, representing the total variation in the observed data relative to the mean.

Multiple Linear Regression

A statistical technique that models the relationship between a dependent variable and two or more independent variables by fitting a linear equation to observed data.

Partial Regression Slope Coefficients

Quantitative measures in multiple regression models that represent the rate of change in the dependent variable for one-unit change in the predictor variable, holding other variables constant.

Coefficient of Multiple Determination

A statistical measure that represents the proportion of variance in a dependent variable that can be predicted from multiple independent variables.