The Facial Expression of Fear Is Often Confused with the Expression

question 26

Multiple Choice

The facial expression of fear is often confused with the expression of .

• A) anger
• B) sadness
• C) disgust
• D) surprise

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Definitions:

Non-native Species

Species that have been introduced to an environment where they do not naturally occur.

Generalist Species

Species that have a broad range of tolerance and can thrive in a wide variety of environmental conditions and can utilize a variety of resources.

Keystone Species

A species that has a disproportionately large effect on its natural environment relative to its abundance, often influencing the structure and biodiversity of the ecosystem.

Range of Tolerance

is the breadth of environmental conditions (temperature, humidity, light, etc.) within which a particular species can survive and reproduce.