The Slow Extinction of Species Is Always Occurring on Earth

question 34

Multiple Choice

The slow extinction of species is always occurring on Earth.Five periods of mass extinction have also happened.Many scientists feel that humans are responsible for causing another era of mass extinction.Which of the following human factors might contribute to this mass extinction?

• A)overpopulation
• B)pollution
• C)human-made contributions to global climate change
• D)encroachment on animal habitat
• E)All of these factors may contribute to the current mass extinction.

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Definitions:

Behavior

Refers to the actions or reactions of an organism or any living entity in response to external or internal stimuli.

Positive Reinforcement

A behavior modification method in psychology that involves rewarding desirable behaviors to increase the likelihood of their recurrence.

Punishment

A method used to reduce the occurrence of an undesirable behavior by applying an adverse stimulus or removing a positive stimulus.

Long Run

A period of time sufficient for all variables within an economic model or business scenario to be adjusted, not confined by fixed constraints.