Use the Graph to Answer the Following Question

question 52

Multiple Choice

Use the graph to answer the following question. Which of the following examples are plausible explanations for a population that would produce curve A in the figure?

• A) ongoing predation of pocket gophers throughout their lives
• B) susceptibility of middle-aged humans to heart disease
• C) higher predation success by wolves of older, slower elk
• D) high seedling mortality in sunflowers

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Definitions:

Frequency Distribution

An overview of how often each value in a set of data occurs, typically represented in a table or graph.

Sigma Notation

A symbol used in mathematics to represent the sum of a sequence of terms defined by an expression.

Median

A statistical measure representing the middle value in a sorted list of numbers, where half the numbers are above and half are below.

Negative Correlation

When the value of one variable decreases as the value of the other variable increases.