Food Chains and Food Webs Quiz

What is the primary source of energy for most food chains?

• Water

• Soil

• The Sun

• Decomposers

Which of the following is always a producer in a food chain?

• Grass

• Rabbit

• Hawk

• Fox

In a food chain, which organism is a primary consumer?

• Rabbit

• Snake

• Hawk

• Grass

What do secondary consumers eat?

• Only plants

• Only decomposers

• Primary consumers

• Sunlight

A hawk that eats a snake is considered a:

• Producer

• Primary consumer

• Tertiary consumer

• Herbivore

What role do decomposers play in a food web?

• Break down dead organisms and recycle nutrients

• Eat plants for energy

• Store energy for later use

• Act as top predators

Which of these is an example of a simple food chain?

• Grass → Rabbit → Fox

• Sun → Grass → Tree

• Water → Fish → Bear

• Snake → Rabbit → Hawk

In a food web, an organism that eats both plants and animals is called a(n):

• Herbivore

• Carnivore

• Omnivore

• Producer

What would happen if all herbivores disappeared from an ecosystem?

• Carnivores would have less food and could die out

• Plants would die from lack of sunlight

• Decomposers would stop working

• Primary producers would disappear

What is a key difference between a food chain and a food web?

• A food web shows multiple interconnected chains, while a food chain is a single pathway

• A food web has only producers, while a food chain has only consumers

• A food chain is more complex than a food web

• There is no difference