In Terms of Community Ecology, Why Are Pathogens Often More

question 28

Multiple Choice

In terms of community ecology, why are pathogens often more virulent now than in the past?

• A) More new pathogens have recently evolved.
• B) Host organisms have become more susceptible because of weakened immune systems.
• C) Human activities are transporting pathogens into new habitats (or communities) at an unprecedented rate.
• D) Medicines for treating pathogenic disease are in short supply.

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Definitions:

Type I Error

The erroneous dismissal of a true null hypothesis, often referred to as a "false positive."

Type I Error

An error where a valid null hypothesis is wrongly discredited, also known as a "false positive."

Type II Error

A statistical error that occurs when a test fails to reject a false null hypothesis.

Unfair Labor Practices

Actions taken by employers or unions that violate the rights of employees or regulations governing labor relations.