A purebred pet results from which of the following types of mating? O two of the same breed bred through designer breeding, mating members of two separate breeds until their offspring begin to look alike
O two separate breeds bred through selective breeding, mating only individuals who look very much alike
O two of the same breed bred through artificial selection, mating only members of the same breed for many generations
O two separate breeds bred through artificial selection, mating only individuals known to be free from disease

1. seamount a raised footwall block between normal fault creates this 2. syncline break between rocks where a hanging wall rises relative to a footwall 3. hot spring on rolling hills, this a dip between hills 4. volcanic neck created when a block with hanging walls slips down between normal faults 5. caldera underwater volcano that never reaches above sea level 6. horst natural hot water on earth's surface containing many minerals 7. graben underwater volcano whose top is eroded flat by waves 8. crater less than a mile in diameter; looks like a bowl at the top of a volcano 9. guyot magma that filled the central vent that remains after the volcano has eroded 10. reverse fault over 1 mile in diameter; looks like a bowl over a volcano