2.1	Energy Flow in an Ecosystem

Producer

\(\downarrow\)

Primary Consumer

\(\downarrow\)

Secondary Consumer

\(\downarrow\)

Tertiary Consumer

\(\downarrow\)

Decomposer

• A producer is an organism that produces its own food through photosynthesis. 
• Primary Consumers are herbivores and omnivores that eat producers.
• Secondary consumer is an omnivore and carnivore that eats the primary consumer.
• Tertiary consumer is a secondary carnivore that eats a secondary consumer.
• Decomposer is an organism that breaks doen dead animals and plants into simpler materials or nutrients.

FOOD CHAIN

• Food chain used to show the feeding relationship between organisms.

FOOD WEB

• The interconnection of a few food chains is called a food web

 

Energy Flow (Energy is transferred from one organism to another organism)