Ecology!

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Ecology!
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Correct Food Pyramid

• Carnivores
• Herbivores
• Producers

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Bacteria are what???
Bacteria
Weasels
Grasshoppers
Mice
Opossum
Quail
Grass
Bacteria
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Bacteria are what???
Bacteria
Weasels
Grasshoppers
Mice
Opossum
Decomposers
Quail
Grass
Bacteria
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10 Rule

• Only 10 of energy is transferred to each trophic
  level.
• 90 is lost as what????

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10 Rule

• Only 10 of energy is transferred to each trophic
  level.
• 90 is lost as what????

HEAT
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What do the arrows mean???
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What do the arrows mean???
ENERGY FLOW
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Energy Diagram
Only 0.1 goes to tertiary consumers
Only 1 goes to secondary consumers
Only 10 goes to primary consumers
100 of energy goes to producers
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Why are food chains short??
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Why are food chains short??
NOT ENOUGH ENERGY
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Which Symbiotic Relationship?

• A bug lives in a tree that provides food and
  shelter for the bug. The bug causes no harm to
  the tree and tries to protect the tree from
  predators.

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Which Symbiotic Relationship?

• A bug lives in a tree that provides food and
  shelter for the bug. The bug causes no harm to
  the tree and tries to protect the tree from
  predators.

Mutualism
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Which Symbiotic Relationship?

• A fungus eats and digests an earthworm.

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Which Symbiotic Relationship?

• A fungus eats and digests an earthworm.

Predation
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Succession after a Disaster
Tertiary Succession
Quaternary Succession
Primary Succession
Secondary Succession
1
2
3
4
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What is a niche???
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What is a niche???

• The full range of physical and biological
  conditions in which an organism lives and the way
  in which the organism uses those conditions.

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What is a niche???

• An animals place in the food web.
• The range of temperatures an animal needs to
  survive.
• Description of biotic and abiotic factors
• The food it eats
• The animals life cycle

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Which level is most complex in Ecology?????
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What is Biomass?
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Biomass

• The total amount of living tissue within an given
  trophic level

Trophic ENERGY
of Individuals Biomass