Differences in ecosystems can contribute to natural selection over time. Choose the two examples below that best represent this.
Understand the Problem
The question is asking for examples that illustrate how differences in ecosystems can contribute to natural selection over time. The user needs to choose two correct examples from the provided options.
Answer
Finch adaptation in the Galapagos; squirrel speciation after canyon formation.
The final answer is: 1) Eighteen species of finch living on the Galapagos Islands have a common ancestor and adapted to different food sources and environmental conditions on each island. 2) A population of squirrels was separated by the formation of the Grand Canyon. Over time, each population adapted to its environment and they are now separate species.
Answer for screen readers
The final answer is: 1) Eighteen species of finch living on the Galapagos Islands have a common ancestor and adapted to different food sources and environmental conditions on each island. 2) A population of squirrels was separated by the formation of the Grand Canyon. Over time, each population adapted to its environment and they are now separate species.
More Information
These examples illustrate how geographical and ecological differences drive adaptation and speciation.
Sources
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