Energy Pyramid

1
Energy Pyramid

• A consumer eats another organism to obtain
  ________.
• It gets only ________ by doing this.

90 Given off
90 Given off
90 Given off
99 Given off
2
Population Growth

• Two Types
• Exponential Growth
• Occurs when organisms are provided with ideal
  conditions for growth and reproduction
• Causes very fast growth
• If nothing stops population from growing, it
  grows faster and faster!
• Logistic Growth
• Naturally controlled growth

3
Exponential Growth
Gets steeper and steeper over time!
4
Logistic Growth (real way)

• Begins like exponential
• Line levels out because birth and death rates
  even out.

5
Population Graphs

• If the population of predators increases, what
  happens to the population of prey?
• 2 different species of bird (woodpeckers and
  bluejays) live in the same tree. If you increase
  the population of woodpeckers by 50, how will
  this affect the bluejay population?

6
Fox vs. Rabbits
What would you expect to happen to the fox and
rabbit populations if coyotes were introduced
into the environment?
7

• Water Cycle

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9
Nitrogen Cycle
10

• Water Cycle

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12
Nitrogen Cycle