Which Variable Best Summarizes the Response to Increased Predation Mortality

question 63

Multiple Choice

Which variable best summarizes the response to increased predation mortality for adults and suggests that putting more energy into reproduction provides an improved fitness benefit?

• A) mature male guppy size
• B) offspring volume (percent of adult mass)
• C) number of offspring
• D) embryo weight

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Definitions:

Probability Level

A statistical threshold, often denoted by alpha, which determines the cutoff point at which a result is considered statistically significant.

Statistically Significant

Refers to a result that is unlikely to have occurred by chance alone, according to a predetermined threshold in statistical testing.

F-test

is a statistical test used to compare the variances of two populations, based on sample variances, to assess the equality of the populations' means.

Hypothesis

A proposed explanation or prediction about a phenomenon that can be tested through research and experimentation.