Refer to the Figure Below Showing Projections of Population Trends

question 16

Multiple Choice

Refer to the figure below showing projections of population trends for woodpeckers. Scenario 1 is no change (current conditions) , Scenario 2 is enhanced adult survival, and Scenario 3 is enhanced juvenile survival.

-What is the probability that this species of woodpecker eventually will become extinct if the survival of juveniles and adults remains unchanged?

• A) 1%
• B) 10%
• C) 25%
• D) 60%
• E) 99%

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Definitions:

Biological Clocks

Internal mechanisms in organisms that control the timing of biological functions and behaviors, helping to adapt to the day-night cycle.

Hormone

Chemical substances produced in the body that regulate and control the activity of certain cells or organs.

Circadian Rhythm

The internal body clock that regulates the 24-hour cycle of biological processes, including sleep-wake patterns.

Exposure To Light

The condition of being subjected to light, which can affect various biological processes, including sleep cycles and mood.