Consider the Following Two Scenarios: 1) a Flash- Flood Sweeps

question 12

Multiple Choice

Consider the following two scenarios: 1) A flash- flood sweeps through an area and random lemmings are killed, resulting in a change in lemming phenotype in subsequent generations; 2) A flash- flood sweeps through an area and some lemmings are able to survive because they are able to hold their breath longer than other lemmings, resulting in a change in lemming phenotype in subsequent generations. What are the primary differences between the two scenarios?

• A) Scenario 1 represents natural selection, while Scenario 2 represents genetic drift.
• B) Both scenarios represent genetic drift.
• C) Both scenarios represent natural selection.
• D) Scenario 1 represents genetic drift, while Scenario 2 represents natural selection.

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Definitions:

Hot Conditions

Environmental or atmospheric situations characterized by high temperatures, often affecting living conditions and climate patterns.

Deep

Having a large distance to the bottom from the surface or a significant extent downward.

Metamorphism

The process by which the structure, composition, and physical properties of rocks are changed by heat and pressure without melting.

Heating by Magma

The process by which surrounding rock and material are heated due to the intrusion or presence of magma, which can lead to metamorphism or melting.