Understanding Trophic Levels and Decomposers

What is the primary role of producers in a food chain?

• To consume other animals

• To make their own food through photosynthesis

• To decompose dead matter

• To be eaten by tertiary consumers

Which of the following best describes a tertiary consumer?

• A decomposer that breaks down waste

• A carnivore that eats other carnivores

• A herbivore that eats plants

• An organism that makes its own food

What characteristic is common among apex predators?

• They produce their own food

• They have no predators

• They are herbivores

• They are primary consumers

How do decomposers contribute to the ecosystem?

• By breaking down dead matter and returning nutrients to the soil

• By being primary consumers

• By producing their own food

• By consuming apex predators

What process do decomposers use to break down dead materials?

• Secretion of enzymes

• Photosynthesis

• Producing their own food

• Hunting and consuming