Examine the Figure Below That Shows When Different Species of Migratory

question 153

Multiple Choice

Examine the figure below that shows when different species of migratory hummingbirds arrived at spring breeding grounds. Which of the following statements reflects changes over approximately the past 130 years in hummingbirds and their utilization of the spring breeding grounds?

• A)Hummingbirds are arriving at spring breeding grounds earlier in the past 20 years or so than 100 years ago.
• B)Hummingbirds have expanded their spring breeding grounds in the south, areas depicted in orange on the map.
• C)Hummingbirds are no longer breeding in the easternmost region on the map, area in dark blue.
• D)In the past 20 years, hummingbirds are arriving at spring breeding grounds later than they were 100 years ago.

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Definitions:

Normal Fault

A fault in which the hanging wall moves down relative to the footwall.

Reverse Fault

A fault in which the hanging wall moves up relative to the footwall.

Joint

A fracture in a rock where the rock has been pulled apart slightly without significant displacement parallel to the fracture.

Anticlines

Upward folds or arches of rock layers, often associated with oil and natural gas deposits.