Food Chains and Webs

Intro to
Food Chains/Webs

Multiple Choice

What is a producer?

• An organism that makes their own food/energy.

• An organism that eats only meat.

• An organism that only eats plants.

• An organism that eats both plants and meat.

Multiple Choice

What is a consumer?

• A person or organization that uses economic goods or services
• A type of animal that preys on other animals for food
• A type of machine used for manufacturing goods
• A type of plant that produces food through photosynthesis

Multiple Choice

What is a herbivore?

• An animal that primarily eats rocks
• An animal that primarily eats other animals
• An animal that primarily eats plants
• An animal that primarily eats air

Multiple Choice

What is a carnivore?

• An animal that primarily eats plants
• An animal that primarily eats meat
• An animal that primarily eats rocks
• An animal that primarily eats air

Multiple Choice

What is an omnivore?

• An animal that only eats other animals
• An animal that doesn't eat anything
• An animal that eats both plants and animals
• An animal that only eats plants

All living things are called organisms. Organisms require energy to grow, heal, move and reproduce. Organisms get energy from food.

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Energy: Where it at?

Fill in the Blanks

Where do organisms get their energy from?

Food chains show the flow of energy from one organism to the next. The energy for most food chains starts with the sun.

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Food Chains:

Fill in the Blanks

What do most food chains normally start with?

Each organism within the food chain has a special name.
Names include:
producer, primary consumer, secondary consumer, tertiary consumer, final consumer and decomposer .

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​Food Chains:

The Different Levels

Producers are the first link in the food chain. Producers make their own food through photosynthesis. They get their energy from the sun.

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​Food Chains:

Level 1: Producer

Multiple Choice

What is the first link in the food chain?

• Predator
• Decomposer
• Producer
• Consumer

Primary consumers eat the producers. They are the second link in the chain.



If they eat producers what type of consumer are they?

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​Food Chains:

Level 2: Primary Consumer

Secondary consumers eat the primary consumers. They are the third link in the food chain.



If they eat the primary consumer, what kind of consumer are they?

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​Food Chains:

Level 3:Secondary Consumer

Tertiary consumers eat the secondary consumers. I think of these as the biggest and scariest in the chain.

Tertiary= Terrified

If they eat secondary consumers, what type of consumer are they?

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​Food Chains:

Level 4: Tertiary Consumer

Multiple Choice

Who's the second link in the food chain?

• Secondary Consumer

• Tertiary Consumer

• Primary Consumers

• Final Decomposer

Organisms in the food chain sometimes disappear from the ecosystem due to over hunting, disease, pollution, and starvation.

How do you think their disappearance effects the rest of the chain?

​Missing a Link:

Food chains show one flow of energy. Food webs so many different flows of energy.

For example, What else might eat a mouse?

​Food Web vs. Food Chain

Fill in the Blanks

Food webs show:

Poll

I am confident in naming the different consumers in a food chain.

• Yes, definitely

• Kinda

• I'm still confused

• I don't know anything