Palm Trees and Subtropical Plants Are Commonplace in Land's End

question 25

Multiple Choice

Palm trees and subtropical plants are commonplace in Land's End, England, whose latitude is the equivalent of Labrador in coastal Canada where the local flora is subarctic. Which statement best explains why this apparent anomaly exists between North America and Europe?

• A) Labrador does not get enough rainfall to support the subtropical flora found in Land's End.
• B) Warm ocean currents interact with England, whereas cold ocean currents interact with Labrador.
• C) Rainfall fluctuates greatly in England; rainfall is consistently high in Labrador.
• D) Labrador is too windy to support tall plants, such as palm trees.
• E) Labrador receives sunlight of lower duration and intensity than does Land's End.

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Definitions:

Variable-Interval

A schedule of reinforcement where a response is rewarded after an unpredictable period of time has passed, promoting a steady, consistent response rate.

Fixed-Ratio

A schedule of reinforcement where a response is reinforced only after a specified number of responses, often used in behavior modification programs.

Fixed-Ratio

In the context of behavioral psychology, a reinforcement schedule that rewards a response only after a specified number of responses.

Variable-Ratio

A reinforcement schedule in operant conditioning where a response is reinforced after an unpredictable number of responses.