Which of the Following Is a Widely Supported Explanation for the Tendency

question 6

Multiple Choice

Which of the following is a widely supported explanation for the tendency of tropical communities to have greater species diversity than temperate or polar communities?

• A) They are less likely to be affected by human disturbance.
• B) There are fewer parasites to negatively affect the health of tropical communities.
• C) Tropical communities are low in altitude, whereas temperate and polar communities are high in altitude.
• D) Tropical communities are generally older than temperate and polar communities.
• E) More competitive dominant species have evolved in temperate and polar communities.

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Definitions:

Observed Frequencies

The actual number of occurrences of each possible outcome of a variable recorded in a dataset, often used in the context of chi-square tests and frequency distributions.

Expected Frequencies

The anticipated count of occurrences across different categories in a probability distribution based on a theoretical model.

Alternative Hypothesis

The hypothesis that suggests there is a significant difference or effect, in contrast to the null hypothesis.

Expected Frequency

The theoretical frequency of an event occurring in a set of trials, calculated based on the probability of the event.