How is the human population growing? Billion Iron Years 2000 Age 12 Future Multi-cell Biota 11 1975 - 600 Million 10 9 Years a 1950 8 Old Stone 1900 Human Beings 1800 Bronze 7 Age New Stone Age Age ~ 2 Million Years 6 Human 5 4 Population - 3 Growth into 5 2 Billions- Last 200 1 years Black Death—The Plague 1+ million7000 6000 5000 3000 2000 1000 A.D. A.D. A.D. A.D. A.D. A.D. 4000 years B.C. B.C. B.C. B.C. B.C. B.C. B.C. 1 1000 2000 30004000 5000
a How is the human population growing? 12 11 10 9 8 Old Stone 7 Age New Stone Age 6 5 4 3 2 1 Bronze Age Iron Age 2000 1975 1950 1900 1800 Future - 5 Billion Years Multi-cell Biota - 600 Million Years Human Beings ~ 2 Million Years Human Population Growth into Billions- Last 200 Black Death—The Plague years 1+ million7000 6000 5000 4000 3000 2000 1000 A.D. A.D. A.D. A.D. A.D. A.D. years B.C. B.C. B.C. B.C. B.C. B.C. B.C. 1 1000 2000 30004000 5000
notes_populations.docx