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Artificial selection:
1. different breeds of dogs
2. different varieties and colors of corn
3. different kinds of chickens
4. different kinds of tomatos

Natural selection:
1. Whales became adapted to an aquatic life-style, developed flippers and lost their hind legs in the process.
2. Male birds are often brightly colored to attract mates.
3. Antibiotic resistance in bacteria is selected for through the use of antibiotics and antibacterials.

2007-01-28 09:40:32 · answer #1 · answered by hcbiochem 7 · 0 0

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