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Understanding Population Characteristics and Growth Patterns

Explore geographic distribution, population density, growth rates, age structure, and carrying capacity in populations. Understand how birth rates, death rates, immigration, and emigration affect growth patterns. Learn about exponential and logistic growth and how populations reach their carrying capacity. Analyze age structure graphically to comprehend gender and age distribution in an area or country. Discover various examples related to population characteristics and growth patterns.

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Understanding Population Characteristics and Growth Patterns

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  1. How populations grow Section 5.1

  2. Characteristics of populations • Geographic distribution (range) • Population density • Growth rate • Age structure

  3. Geographic distribution

  4. Population density • Number of redwoods on the Olympic Penninsula

  5. Population density • Number of penguins in the Crozet Archipelago

  6. Growth rate

  7. Growth rate • Depends on: • Birth rates • Death rates • Immigration • Emigration

  8. Age structure • Graphical representation of gender and age groups in an area/country

  9. Exponential Occurs under ideal conditions Out of control growth Logistic Occurs as resources become less available Population growth slows/stops Eventually a carrying capacity is reached Growth patterns

  10. Carrying capacity • Number of eggs in a carton • Number of ounces in a gallon of milk • Students in a room • Now you come up with some examples!

  11. Complete Analyzing Data pg 123

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