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6 Cards in this Set
- Front
- Back
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Out of africa |
Origin n dispersal of modern humans Left africa, second movement out of africa (H erectus left first 1.8 mya but became extinct due to harsh environments |
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Evidence for O of A |
Similar genes + nuclear sequences MtDNA passed down femaile lineage unchanged (replicated indep.) y chromosome for male |
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Mass extinction |
65MYA something caused death of half of life on earth caused by impact bw earth and asteroid Explosive phase of adaptive radiation |
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Cladogenesis |
Responsible for diversity of species |
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Extraterrestrial impact |
- iridium layer anomaly - laminar de- formation of quartz grains - basaltic spherules Hypothesis - catastrophism |
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Measuring genetic diversity |
- variation of protein coding genes (allozymes) - reduced mhc (immune defense and self recog of cells) variation and increased risk of disease - high mortality to FIP virus |
