8th Grade #5: Natural Selection

Breeding Australian shepherds to have a specific fur color is an example of _________ selection.

Two zebras mating in the wild is an example of _________ selection.

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Where the better adapted organisms survive to pass traits along to offspring.

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

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What did the beak type of finches on different islands tell Darwin?

• Finch populations evolved over time to favor beaks based on food type
• Finch populations had not evolved over time
• The finch beaks had no relationship to the available food on the islands
• Humans artificially selected finches based on their desired beak type

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Small changes over short periods of time

• microevolution

• macroevolution

• Darwinism

• adaptations

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Large changes over long periods of time

• macroevolution

• microevolution

• adaptations

• variation

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Microevolution or macroevolution: mosquitoes evolving resistance to DDT

• micro

• macro

• __

• __

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Microevolution or macroevolution: bacteria becoming resistant to antibiotics

• micro

• macro

• --

• --

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Microevolution or macroevolution: Snakes evolving from lizards

• macro

• micro

• --

• --

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Microevolution or macroevolution: Four limbed creatures evolving from fish.

• macro

• micro

• --

• --

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