Ch13ecology

[object Object],13.1 History of the Human Population Population is kept constant Equal food distribution Crops are controlled ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Increases in Growth Rate ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Which theory lead to decrease in the death rate? ,[object Object],[object Object],[object Object],[object Object]

Which change occurred during the agricultural revolution? ,[object Object],[object Object],[object Object],[object Object]

Which would not cause a decrease in the human population? ,[object Object],[object Object],[object Object],[object Object]

Declines in Growth Rates ,[object Object],[object Object],[object Object],Famine: 1840’s Irish potato famine; 1876-79 China famine War: not only directly reduces Pop. But also causes famine, Disease and env. Destruction 21.5 million WWI; 35-60 million- WWII

13.2 Growth & Changing Needs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Demography It is important to know how many people There are, but also what type of people Make up the population. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Changing Needs What affects the needs of a society ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

13.3 Challenges of Overpopulation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Planet Earth- Into the Wilderness: Human Population and Strained Resources

Controlling Population Size ,[object Object],[object Object],[object Object],[object Object],[object Object]

Is overpopulation so bad? Some say- no Increased technology allows us to solve food production, health concerns and env, issues Some say- Yes The Earth has a finite carrying capacity and we cannot exceed it

Ch13ecology

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Ch13ecology