Using the Figure Below and Your Knowledge of the Slime

question 29

Multiple Choice

Using the figure below and your knowledge of the slime mold Dictyostelium, what might you think is the signal to change from a feeding slug to the other stages?

• A) Time-the organism passes through each stage of its life cycle on a regular schedule.
• B) Predators in the environment
• C) Lack of nutrients in the environment
• D) Temperature changes
• E) All of the above

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Definitions:

Means

The statistical measure that identifies the central tendency of a data set by dividing the sum of all values by the number of values.

T-test

A statistical test used to compare the means of two groups and determine if the differences between them are statistically significant.

Independent Means

Refers to the average values derived from two separate groups that are not related to each other, often used in statistical comparisons.

Sophomores

Second-year students in a four-year degree program at a high school or university.