Species Introduced by Humans to New Geographic Locations

question 20

Multiple Choice

Species introduced by humans to new geographic locations

• A) are usually successful in colonizing the area.
• B) always spread because they encounter none of their natural predators.
• C) increase the diversity and therefore the stability of the ecosystem.
• D) can outcompete and displace native species for biotic and abiotic resources.
• E) are always considered pests by ecologists.

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Definitions:

Affective Forecasting

The process of predicting one's emotional state in future situations.

Experimental Variables

Elements or conditions that can be changed and manipulated within an experiment to test their effects on the outcomes.

Control Variable

A variable that is kept constant during an experimental test to ensure that any changes observed in the outcome can be attributed to the variable being tested.

Prestigious Colleges

Institutions of higher education that are highly respected and recognized for their academic excellence and selectivity in admissions.