Ecosystems- Food chains

Producers make their food during the process of photosynthesis. What is the primary source of energy used by producers?

• Chemical energy from water

• Light energy from the sun

• Thermal energy from the sun

• Chemical energy from carbon dioxide

Mushrooms are an example of a decomposer. What do decomposers do?

• Break down dead matter into nutrients that are recycled back into the soil

• Eat plants and animals to get energy

• Use energy from the sun to make their own food

• Provide energy to consumers when food is scarce

Which of the following consumers is a carnivore?

• Rabbit

• Lion

• Deer

• Mouse

In this food web, what role does the jackal have?

• Producer

• Secondary Consumer

• Primary Consumer

• Decomposer

In this food web, which of these describes a food chain?

• Lion → jackal → rabbit

• Kite → snake → mouse

• Green plant → rabbit → lion

• Green plant → mouse → owl