Easter Island Is an Extremely Isolated Island in the Pacific

question 29

Multiple Choice

Easter Island is an extremely isolated island in the Pacific, about 3,500 km from South America. Although there are no forests on the island now, archeological studies, fossil pollen, and other data show that Easter Island was once home to forests containing giant palms and other trees. Some scientists think that the removal of the giant palms caused the forest ecosystem to collapse. Which of the following factors might have caused this collapse?

• A) Shade-tolerant species increased in diversity in the absence of the palm.
• B) Soil erosion decreased in the absence of the palm.
• C) The absence of the palm trees may have reduced habitat quality for many other species.
• D) Productivity increased, thereby increasing competition, in the palms' absence.

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Definitions:

Environmental Cues

External signals or stimuli that can affect behavior, emotions, or thoughts, influencing decision-making or actions based on the current context or situation.

Biological Approach

A perspective in psychology that examines behavior and mental processes through a focus on physical and biological processes, including genetics and neurochemistry.

Dietary Restraint Proposal

A theory or concept suggesting the self-imposed limitation on food intake and dieting with the aim to control or lose weight.

Chronic Dieter

An individual who persistently engages in dieting, often without long-term success, sometimes leading to cyclical patterns of weight loss and gain.