WarmUp 5'2 Population Growth

1
Warm-Up5.2 Population Growth

• N.Kurban

2
Warm-Up What Do You See?(3-5-07)
3
Warm-Up Complete the Sentences (3-8-07)

• Population___________
• Immigration_____________
• Emigration_____________

4
Warm-Up Population Density(3-9-07)

• Suppose there are 150 bullfrogs living in a pond
  that covers an area of 3 square kilometers. What
  is the density of the bullfrog population?
• Population Density Number of individuals/Unit
  Area

5
Warm-Up Population Growth(3-12-07)

• Circle the letter of each sentence that is true
  about populations.
• a. They can grow rapidly.
• b. They can decrease in size.
• c. They may stay the same size from year to year.
• d. They stay the same size until they disappear

6
Warm-Up Population Growth(3-13-07)

• What three factors can affect population size?
• a. The number of births
• b. The number of deaths
• c. The number of individuals that enter or leave
  the population