POPULATION GROWTH

1
POPULATION GROWTH
2
LINEAR POPULATION GROWTHWhat do you think it
means????

• Linear

• Population
• Growth

3
LINEAR POPULATION GROWTH

• DEFINITIONS
• Linear in the form of a line

• Population amount of organisms in an area
• Growth increasing in numbers

4
NOTES

• Normal line shape
• Steady rate of growth that is consistent over the
  generations

5
EXPONENTIAL POPULATION GROWTHWhat do you think
it means???

• Exponential
• Population
• Growth

6
EXPONENTIAL POPULATION GROWTH

• DEFINITIONS
• Exponential keeps doubling the bigger it gets,
  the faster it grows.
• Population amount of organisms in an area
• Growth increasing in number

7
NOTES

• J curve
• Slow initial growth and then a rapid population
  explosion after
• occur
• when there
• are no limits
• to
• population
• size

8
Example using Fish

• Click the picture to see an example of the
  exponential growth of a fish population.

9
Students - Provide examples of FACTORS
AFFECTING POPULATION GROWTH
What term do we give to the things you just
listed??
10
FACTORS AFFECTING POPULATION GROWTH

• Humans!
• (explain HOW this makes sense!)
• Weather!
• (provide an example!)
• Habitat!
• (Why does this make sense?!)
• Predators!
• (Is this true in all cases? Explain)
• Food!
• (convince us that this makes sense!)