Wednesday October 21 st In Notebook What are

Wednesday October 21 st In Notebook: What are examples of: density dependent factors & density independent factors? ** Please have a white board, dry erase marker, and paper towel ready for our first activity! DON’T DRAW ON THEM YET!**

Today’s Learning Targets Agenda: 1. White Board Prior Knowledge Assessment 2. Human Populations Notes 3. Practice Packet Work Time

White Board Prior Knowledge: True or False? 1. Looking at PAST population trends is a good way to predict the FUTURE of human populations. 2. For a countries population to GROW, which must be true of birth rate and death rate? Birth = Death Birth < Death Birth > Death 3. Birth rates and death rates of countries around the world are basically the same.

White Board Prior Knowledge: True or False? 4. Worldwide human populations have DECREASED over the past few centuries. 5. In the U. S. families are now SMALLER than in previous decades. 6. The death rate is DECREASING in the U. S. 7. The birth rate is INCREASING in the U. S.

7 Billion Out of 7 billion people – what’s typical? !

1 of 5 • What type of graph is this? • Analyze and write down everything you notice about the data. • Summarize the graph in one sentence. • What questions does this graph propose/ What information do you still need to make sense of this graph

2 of 5 • What type of graph is this? • Analyze and write down everything you notice about the data. • Summarize the graph in one sentence. • What questions does this graph propose/ What information do you still need to make sense of this graph?

3 of 5 • What type of graph is this? • Analyze and write down everything you notice about the data. • Summarize the graph in one sentence. • What questions does this graph propose/ What information do you still need to make sense of this graph?

4 of 5 • What type of graph is this? • Analyze and write down everything you notice about the data. • Summarize the graph in one sentence. • What questions does this graph propose/ What information do you still need to make sense of this graph?

Age Structure • Pre-reproductive years: age birth - 20 • Reproductive years: age 20 - 44 • Post-reproductive years: age 44 - death

5 of 5 • What type of graph is this? • Analyze and write down everything you notice about the data. • Summarize the graph in one sentence. • What questions does this graph propose/ What information do you still need to make sense of this graph?

Zero Population Growth Birth + Immigration = Death + Emigration