Energy Roles in Ecosystems Quiz

What are the three main energy roles in an ecosystem?

• Producer, consumer, and predator

• Producer, consumer, and decomposer

• Consumer, decomposer, and scavenger

• Producer, scavenger, and predator

How is energy transferred between living and nonliving parts of an ecosystem?

• Through the water cycle

• Through the carbon cycle

• Through food chains and food webs

• Through the nitrogen cycle

What is the role of producers in an ecosystem?

• To decompose organic matter

• To consume other organisms

• To produce energy through photosynthesis

• To transfer energy to decomposers

What is the primary role of consumers in an ecosystem?

• To produce energy

• To decompose organic matter

• To consume producers and other consumers

• To recycle nutrients

What is the function of decomposers in an ecosystem?

• To produce energy

• To consume producers

• To break down dead organisms and recycle nutrients

• To transfer energy to producers

What is a food chain?

• A network of interconnected food webs

• A linear sequence of organisms through which energy flows

• A pyramid showing energy levels

• A cycle of nutrient recycling

What is a food web?

• A linear sequence of energy transfer

• A network of interconnected food chains

• A diagram showing energy loss

• A cycle of nutrient recycling

What does an energy pyramid represent?

• The flow of energy through a food web

• The number of organisms at each trophic level

• The amount of energy available at each trophic level

• The recycling of nutrients

Why is energy reduced at each level of the energy pyramid?

• Because energy is destroyed

• Because energy is converted into matter

• Because energy is lost as heat

• Because energy is recycled

Which of the following is an example of a producer?

• Lion

• Oak tree

• Earthworm

• Mushroom