Food Chain EVERGLADES

What is the first link in a food chain?

• Primary consumer

• Producer

• Secondary consumer

• Top predator

In the Everglades food chain presented, which organism is a primary consumer?

• Periphyton

• Gambusia

• Mosquito larva

• Great Blue Heron

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What percentage of energy is typically passed from one trophic level to the next in a food chain?

• 1%

• 10%

• 50%

• 90%

Why are food chains typically limited to 4 or 5 links?

• Predators at the top cannot find enough food

• There isn't enough matter to sustain longer chains

• Most ecosystems are too small

• Energy is lost at each transfer