Understanding Food Chains and Food Webs

What is the primary source of energy for all food chains on Earth?

• Ocean Currents

• Volcanic Heat

• The Sun

• The Moon

Why are plants referred to as producers in a food chain?

• They produce energy from the sun through photosynthesis.

• They consume other organisms for energy.

• They decompose dead matter.

• They are at the top of the food chain.

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

• To be at the top of the food chain.

• To produce energy from sunlight.

• To eat plants and transfer energy to secondary consumers.

• To decompose dead organisms.

How much energy is typically passed from one level of a food chain to the next?

• 100%

• 50%

• 10%

• 1%

What is a food web?

• A collection of decomposers.

• A group of apex predators.

• A network of interconnected food chains.

• A single linear sequence of organisms.