We live on an island
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![Page 1: We live on an island](https://reader031.fdocuments.in/reader031/viewer/2022020504/568c51d01a28ab4916b42c8c/html5/thumbnails/1.jpg)
Ecology is the study of the distribution and abundance of organisms and their
interactions with their environment.
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Ecologist’s study population processes
•Reproductive behavior
•Birth rates
•Death rates
•Migration
•Distribution
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Interspecific interactions
•Predation
•Competition
•Parasitism
•Mutualism
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Biogeochemical cyclesWater CycleCarbon CycleNitrogen Cycle
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And apply ecology to natural resource management such
as wildlife management and habitat conservation.
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Hierarchy of organization
Each level interacts with and influences other
levels
BiosphereEcosystemCommunityPopulation
Organism
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A population includes all members of a species that live in one place at one time.
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Human’s are experiencing a period of exponential growth
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Why?
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How could this be a problem?
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Only 20% of the world’s population lives in developed countries.
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Age structure is a good predictor of growth rate
How?
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What does this map show?
![Page 17: We live on an island](https://reader031.fdocuments.in/reader031/viewer/2022020504/568c51d01a28ab4916b42c8c/html5/thumbnails/17.jpg)
![Page 18: We live on an island](https://reader031.fdocuments.in/reader031/viewer/2022020504/568c51d01a28ab4916b42c8c/html5/thumbnails/18.jpg)
Problems? Solutions?
What are the issues?
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One thought...
• Make a bigger pie: Increase human productive capacities through technology and innovation.
• Put fewer forks on the table: Reduce numbers and expectations of people through such means as family planning and vegetarian diets.
• Teach better manners: Change the ways people interaction through improved planning and government to enhance social justice.
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We live on an island
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![Page 23: We live on an island](https://reader031.fdocuments.in/reader031/viewer/2022020504/568c51d01a28ab4916b42c8c/html5/thumbnails/23.jpg)
Your Ideas?
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Ecology! ! ! ! ! Name_____________________
1. Ecology is the study of the ______________________ and _____________________ of
organisms and their ______________________ with their __________________________.
2. Ecologist’s study population processes: _____________________________________,
_______________________, _________________________, ______________________ and
__________________________.
3. ____________________________ interactions : __________________________,
_____________________, ________________________ and ___________________________
4. Biogeochemical cycles like the ______________ cycle, __________________ cycle
and the ___________________ cycle
5. And apply ecology to natural resource management such as
_________________________________ and _______________________________________.
6. Which one of these areas of study sound most interesting to you? Why?
7.
Hierarchy of organization
Each level interacts with and
influences other levels
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8. A ____________________ includes all members of a species that live in one place at one time.
9. Human’s are experiencing a period of exponential growth. Why??? What is exponential growth?
10. How could this be a problem?
11. Only _________ of the world’s population lives in _______________________ countries.
12. Age structure is a good predictor of growth rate. How?
13. What does this map show?
14. Problems? Solutions? What are the issues?
15. One thought....1.
2.
3.
Your ideas?