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In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?
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If you relate the doppler effect on sound to the color of light waves, a police car would be the color as it approaches and the color as it recedes away from the observer.
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Where is having brightly colored feathers that attract mates most clearly an adaptation for a bird? a. a forest with dense vegetation b. a sandy beach beside an ocean c. a snowy tundra with little vegetation d. a swamp with many hawks that eat birds
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Acid rain can fall in an area far away from their source. this can best be explained by the fact tha...
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