Natural Selection. H.M.S. Beagle Peppered moths: sexual reproduction or mutation led to different...
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Transcript of Natural Selection. H.M.S. Beagle Peppered moths: sexual reproduction or mutation led to different...
Natural Selection
H.M.S. Beagle
Peppered moths: sexual reproduction or mutation led to different variations of color within the moth species= dark or light.
Then, the ENVIRONMENT (tree color) determined which trait is was better to have.
How many offspring are produced in one year?
• An Oak tree will make up to 2000 acorns each fall
• A single female field mouse can have 17 litters of babies in a year, and each litter can have up to 13 individuals = 221 babies
• One sunflower will produce 1000 seeds