Post on 08-Aug-2015
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Different types of consumers
• REVIEW: What is a consumer?• Consumer is any organism that eats other
organisms for energy – Herbivore• Eats plants only
– Carnivore• Eats other animals only
– Omnivore• Eats plants and animals
Food Chains
• How energy (food) passes from one organism to another
• Usually have 3 – 4 links• Many food chains in any ecosystems
Food Chains• First link is a producer– Gets energy from the
sun
• Second link of a food chain is usually a herbivore– Eats producers
• Third link of a food chain is usually a carnivore– Animal that eats other
animals
Food Chains continued…• Fourth link is a top
carnivore– Eats other carnivores
• When an organism dies in an ecosystem, decomposers feed on the dead organism– Returns nutrients to the
soil– Ex: bacteria and fungi