Which of These Is a Defining Characteristic of Animals That

question 14

Multiple Choice

Which of these is a defining characteristic of animals that distinguishes them from other eukaryotes?

• A)Animals are multicellular.
• B)Animals ingest food.
• C)Animals are heterotrophs.
• D)Animals use photosynthesis.

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Definitions:

Independent Variable

The variable in an experimental or observational study that is manipulated or categorized to observe its effect on the dependent variable.

Covariance Value

A measure indicating the extent to which two random variables change together, where a positive value implies direct correlation, and a negative value an inverse correlation.

Least Squares Regression

A statistical method used to determine the line of best fit by minimizing the sum of squares of the differences between observed values and the values predicted by the model.

Correlation Coefficient

A numerical measure that quantifies the degree of correlation or linear relationship between two variables, ranging from -1 to 1.