What can you assume about a country that has a high life expectancy?

A country with a high life expectancy likely has access to good healthcare services, clean water, nutritious food, and a high standard of living. Additionally, the population is likely well-educated and may have a strong focus on health and wellness. Overall, the country likely has a high quality of life and prioritizes the well-being of its citizens.

natural selection relies on what two key "ingredients"?

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Strength and Perfection
Small populations and Emmigration
Life and Death
Reproduction and Variation

Reproduction and Variation