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Energy Pyramids Organisms are divided into trophic levels based on the type of energy they require. Trophic Lvl 1 Trophic Lvl 2 Trophic Lvl 3 Trophic Lvl.

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Presentation on theme: "Energy Pyramids Organisms are divided into trophic levels based on the type of energy they require. Trophic Lvl 1 Trophic Lvl 2 Trophic Lvl 3 Trophic Lvl."— Presentation transcript:

1 Energy Pyramids Organisms are divided into trophic levels based on the type of energy they require. Trophic Lvl 1 Trophic Lvl 2 Trophic Lvl 3 Trophic Lvl 4

2 Trophic Level 1 PRODUCERS (the lowest trophic level) The organisms of the first trophic level are called producers because they produce the food for all of the trophic levels. Ex. A plant.

3 Trophic Level 2 HERBIVORES Eat plants for energy. Ex. An insect that consumed a plant.

4 Trophic Level 3 PRIMARY CARNIVORES Animals that eat herbivores for energy. Ex. A spider that ate an insect that consumed a plant.

5 Trophic Level 4 SECONDARY CARNIVORES Animals that eat primary carnivores for energy. Ex. A frog that ate a spider that ate an insect that consumed a plant.

6 Trophic Level 5 TERTIARY CARNIVORES Animals that eat secondary carnivores for energy. Ex. A fish that ate a frog that ate a spider that ate an insect that consumed a plant.

7 Trophic Level 5 QUATERNARY CARNIVORES Animals that eat tertiary carnivores for energy. Ex. A human that ate a fish that ate a frog that ate a spider that ate an insect that consumed a plant.

8 Biomass BIOMASS (the amount of living material) found in trophic levels as you move upwards on the energy pyramid decreases by 90% at each level. If you were to weigh all of the producer organisms on earth along with all of the herbivores -- the total herbivore weight would be 90% less than the weight of all of the producers. Trophic Lvl 1 Trophic Lvl 2 Trophic Lvl 3 Trophic Lvl 4


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