Ecosystems Trivia: Food Webs and Balance

In a food web, what are plants called because they make their own food?

• Consumers
• Producers
• Decomposers
• Predators

Which organisms break down dead matter and return nutrients to the soil?

• Herbivores
• Scavengers
• Decomposers such as fungi and bacteria
• Pollinators

Roughly how much energy is passed on from one level of a food chain to the next?

• About 10 %
• About 50 %
• About 90 %
• All of it