Food Chains and Food Webs

What is a producer?

• an organism that gets energy from eating other organisms
• an organisms that uses sunlight to make its own food
• an organism that gets energy from eating dead organisms, non-living material or waste
• an organism that uses chemical energy to make its own food

Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf

Which best describes what a food chain shows you?

• Energy flow through an ecosystem
• Food flowing through an ecosystem
• Consumers going into other consumers
• Who eats who

What are plants called in a food chain?

• Producers
• Consumers
• Decomposers
• Scavengers

What are animals called in a food chain?

• Producers
• Consumers
• Decomposers
• Plants

What are the organisms that break down dead stuff?

• Producers
• Consumers
• Decomposers
• Organisms

What is the role of decomposers in a food chain?

• Use sunlight to make food
• Eat other organisms to gain energy
• Make the food for the whole food chain
• Break down dead organisms and add nutrients to the soil

Which of these organisms would receive energy from the snake?

• Plant
• Rabbit
• Mouse
• Hawk

Observe the food chain above. Which organism’s population would increase if finches were removed from the ecosystem?

• Grass

• Grasshopper

• Snake

• Hawk

What is one example of the way that energy flows in the food chain above?

• Energy flows from grass to the Sun

• Energy flows from hawks to snakes

• Energy flows from grasshoppers to finches

• Energy flows from snakes to finches