Lecture 8 - Lecture Chart showing developments in science...

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Lecture Chart showing developments in science for populations over years is shown. The height is population and underneath is the “years ago” The discovery of fire and tools occurred millions of years ago. Followed by the agricultural revolution in the 10,000-year area. Then the scientific industrial revolution within the previous 1,000 mark. The scientific industrial revolution was significant for its discoveries in the productivity and efficiency in machines. Also for sanitation and medical break through. These things aid humans in survival. Fire back in prehistoric times, the advent of agriculture, and the more modern advances. Another chart showing the “birth rate or death rate per 1,000 populations Population: 4 Multiplication factors under optimum conditions: Water flea: 221x (times reproducing) every 6.8 days Rat: 25x every 31 days. Man: 1.4x every 28 years Population: 5 Types of checks on populations: A 1.) Amount of space or food 2.) Populations limit their own rate of increase when crowded:
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Lecture 8 - Lecture Chart showing developments in science...

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