Selection that was done at the hands or humans and not nature

• Natural selection

• selective breeding

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Selective breeding

• Has been used to improve domestic plants and animals for human benefit so that they may provide larger quantities of food or better quality

• Help organisms survive

• Helps organisms reproduce

• Acts on an organism’s phenotype, or observable characteristics, but it is the organism’s genotype (genetic makeup) that is inherited

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Selective breeding

• A bird with hollow bones

• A bunny has long ears

• Cow that produces more milk

• Flowers produce seeds

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Webbed feet

• Selective breeding

• Natural selection

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Whats another way to say selective breeding

• Selective generation

• Natural selection

• Artificial selection

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Natural selection

• Acts on an organism’s phenotype, or observable characteristics, but it is the organism’s genotype (genetic makeup) that is inherited

• Helps humans survive

• Most of the time its for food

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Natural selection

• Cows that produce large amounts of milk

• Chickens that produce more white meat or larger eggs

• wheat plants that produce large amounts of grain

• Fur color that matches habitat

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Artificial selection

• Black pepper moths are black

• light pepper moths are white

• Chicken produces more eggs

• Cheetah has long legs

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Slow though the process of selection may be, if feeble man can do much by artificial selection, I can see no limit to the amount of change… which may have been effected in the long course of time through nature's power of selection, that is by the survival of the fittest.” --Excerpt from_______

• Marvin Lean

• Charles Darwin

• Galileo Galilei

• Albert Einstein

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The dark moths were more common because of

• different food

• change in the environment

• Humans domesticated them

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