How Do Nastic Movements Differ from Tropisms

question 43

Multiple Choice

How do nastic movements differ from tropisms?

• A)Nastic movements are slower than tropisms.
• B)Nastic movements only occur in the dark.
• C)Tropisms are directional responses to directional stimuli; nastic movements are the same regardless of the direction of the stimulus.
• D)Nastic movements happen after a stimulus,tropisms happen during a stimulus.
• E)Nastic movements are not reversible.

---

Definitions:

Coefficient of Determination

A statistical measure, usually represented as R^2, that indicates the proportion of variance in the dependent variable predictable from the independent variables.

Correlation Coefficient

A statistical measure that calculates the strength of the relationship between two variables.

Sum of Squares

The total of the squared differences between each data point and the mean of the dataset, used in various statistical calculations.

Regression SSR

The sum of squared deviations of predicted values from the mean of the dependent variable in regression analysis, indicating the variability explained by the regression.