Deforestation Is a Global Concern

question 19

Multiple Choice

Deforestation is a global concern.Forest loss can lead to increased greenhouse gas production,which contributes to global warming.The destruction of tropical forests also is a major factor in the loss of global biodiversity.The global scenarios of deforestation include all of the following EXCEPT

• A) demographic pressure, from births or immigration, on subsistence economies.
• B) commercial logging and road building.
• C) cash cropping.
• D) the intensification of foraging lifestyles among communities that have retreated from the chaos of modern life.
• E) fuel needs associated with urban expansion.

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Definitions:

Specificity Theory

The proposal that different sensory qualities are signaled by different quality-specific neurons. This theory is correct in only a few cases (e.g., pain).

Sensation

The process by which sensory receptors and the nervous system receive and represent stimulus energies from the environment.

Neurons

The basic working units of the brain, specialized cells designed to transmit information to other nerve cells, muscle, or gland cells.

Signal-Detection Experiment

A methodology in psychology that measures the ability to differentiate between information-bearing patterns and random patterns that distract from the information.