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Answered

7. What is evolutionary rescue?
a. Any adaptation is considered evolutionary rescue.
b. A rapid adaptation that occurs in a population due to environmental changes
c. A slow change in an organism that helps it adapt to its environment
d. When the environment changes to benefit the organisms that live in it​

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Robespierreviz

EVOLUTIONARY RESCUE

WHAT IS EVOLUTIONARY RESCUE?

The correct answer is letter B. A rapid adaptation that occurs in a population due to environmental changes.

DEFINITION

Evolutionary rescue happens when a population of species under pressure and harsh environmental changes, successfully avoid extinction due to adaptation via natural selection.

EXAMPLE

-- An asteroid suddenly bombarded the planet, then the global temperature drastically dropped to negative degrees Celsius (because of dust covering the atmosphere) causing an abrupt ice-age. All species that were fast enough to adapt to these sudden changes in the environment and never went extinct; were the ones successfully undergone evolutionary rescue.

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