Which Features Would Most Likely Be Characteristics of a Protist

question 64

Multiple Choice

Which features would most likely be characteristics of a protist with a multinucleate plasmodium that moves by cytoplasmic streaming and consumes yeasts, bacteria, and plant and animal remains via phagocytosis?

• A) Heterotrophy and quick movements in shallow freshwater ponds
• B) Photosynthesis and a symbiotic relationship with oceanic radiolarians
• C) Heterotrophy and slow movements over branches, rocks, and decaying logs
• D) A secreted exoskeleton and floating movement among oceanic plankton
• E) Multicellular form many meters long, supported by water, with a holdfast glued to rocks

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Definitions:

Covariance

A measure indicating the extent to which two variables change together, revealing whether an increase in one variable tends to be accompanied by an increase (positive covariance) or decrease (negative covariance) in the other.

Distribution

In statistics, a distribution is a function that shows the possible values for a variable and how often they occur.

Correlation Coefficient

A numerical index that gauges the intensity and orientation of the linkage between a pair of variables.

Scatter Diagram

A graphical representation that displays the relationship between two quantitative variables using Cartesian coordinates to display values for typically a set of data.