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Food Chain
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Food Chain

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  • 1. FOOD CHAINSby:amelia piedrahitaisabella saldarriagamaria dell mar oyolamaria isabel piedrahitamaria alejandra martinez
  • 2. What is a food chain?• A food chain is “a sequence of organisms,each of which uses the next, lower member ofthe sequence as a food source”
  • 3. Important facts about food chains• In a food chain each organism obtains energyfrom the one at the level below.• Plants are called producers because theycreate their own food through photosynthesis• Animals are consumers because they cannotcreate their own food, they must eat plants orother animals to get the energy that theyneed.
  • 4. Primary Producers• Primary producers are “organisms capable ofproducing their own food”• We can also say that they are photosynthetic, uselight energy.• Primary producers are eaten by primary consumers(herbivores)
  • 5. Four types of consumer• Herbivores: animals that eat only plants• Carnivores: animals that eat only otheranimals.• Omnivores: animals that eat animals andplants.• Detritivores: Animals that eat dead materialsand organic wastes
  • 6. Other Ways to Classify Consumers1. Primary Consumers: Herbivores.2. Secondary Consumers: Carnivores that eatherbivores.3. Tertiary Consumers: Carnivores that eatother carnivores.
  • 7. • http://www.tburg.k12.ny.us/mcdonald/foodch1.h

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