1. Population Ecology Part 3
AP Biology
Population Ecology
Part 3

2. Boom Bust Cycles

3. Snowshoe Hare and Lynx

4. Human Growth on Earth

5. Age Pyramids Rapid growth Afghanistan Slow growth United States
Decrease
Italy
Male
Female
Age
Male
Female
Age
Male
Female
85+
80–84
75–79
70–74
65–69
60–64
55–59
50–54
85+
80–84
75–79
70–74
65–69
60–64
55–59
50–54
45–49
40–44
35–39
30–34
25–29
20–24
15–19
10–14
5–9
0–4
45–49
40–44
35–39
30–34
25–29
20–24
15–19
10–14
5–9
0–4 8 6 4 2 2 4 6 8 8 6 4 2 2 4 6 8 8 6 4 2 2 4 6 8
Percent of population
Percent of population
Percent of population