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loe evolution lec9
| Question | Answer |
|---|---|
| What evidence suggests that humans are still evolving? | Fewer broken bones in historical skeletal remains. Larger families influencing hormone levels and bone density in women. Development of new blood vessels in human arms. |
| How does cultural adaptation differ from natural selection? | Cultural adaptation involves societal pressures shaping biology, while natural selection involves environmental and genetic factors driving evolutionary changes. |
| How does the Black Death serve as an example of cultural adaptation? | It highlights the interplay between societal challenges and biological responses to diseases over generations. |
| What is the Anthropocene? | A period in which humans are dominant forces affecting evolution, species, and ecosystems. |
| Provide an example of human influence on animal evolution. | Zoque people in Mexico use a poisonous agent for fishing, leading to toxin resistance in fish populations over generations. |
| How do human hunting practices impact species evolution? | Selective hunting (e.g., targeting elephants with large tusks) promotes traits like tusklessness in future generations. |
| How does pollution and habitat destruction affect evolution? | These factors alter ecosystems, influencing species survival and adaptation. |
| What evolutionary change has been observed in pink salmon due to fishing practices? | Gill netting practices have led to declining sizes of pink salmon. |
| How has canine distemper affected lion populations? | Disease spread from domesticated animals impacts lion health and survival. |
| What are some potential technological developments that could impact human evolution? | End of aging. Customizable bodies. Genetic engineering. Space colonization. Brain uploads. |
| What societal changes might affect future human evolution? | Advances in virtual reality, decision-making machines, cryptocurrencies, and erosion of privacy. |
| What does ongoing evolution reveal about humans and other species? | Evolution continues through cultural adaptation and environmental changes. Human actions profoundly impact species evolution. Future technologies may dramatically alter human biology and society. |
| Why is continuous monitoring of disease impacts and species changes important? | It helps us understand and respond to evolutionary trends. |
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REDZ17
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