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RFMS Science:

Food Chains & Webs Lesson

By Logan Tubb

RFMS Science:

Food Chains & Webs Lesson

By Logan Tubb

Open Ended

What did you notice about the two pictures shown previously?

Multiple Choice

What is the primary source of energy in a food chain?

• A producer
• The sun
• A decomposer
• A consumer

Multiple Choice

How does a producer obtain it's energy?

• By eating other organisms
• By eating plants
• By breaking down dead, decaying matter
• By absorbing sunlight, water, and CO2 (carbon dioxide)

Multiple Choice

How does a consumer obtain it's energy?

• By eating other organisms
• By eating plants
• By breaking down dead, decaying matter
• By absorbing sunlight, water, and CO2 (carbon dioxide)

Multiple Choice

How does a decomposer obtain it's energy?

• By eating other organisms
• By eating plants
• By breaking down dead, decaying matter
• By absorbing sunlight, water, and CO2 (carbon dioxide)

Multiple Choice

Which of the following correctly depicts a food chain?

• sun, grass, rabbit, snake, hawk, decomposer
• sun, rabbit, grass, hawk, decomposer
• sun, snake, hawk, decomposer
• grass, rabbit, snake, hawk

Multiple Choice

TRUE  or FALSE: Food webs are several food chains that are linked together.

• TRUE
• FALSE

Multiple Choice

What does the arrow mean in a food chain or food web?

• An organism comes next
• Gets eaten by
• Go left
• Go right

Multiple Choice

Overlapping food chains

• food cycle

• food network

• food system

• food web

Multiple Choice

Passing of energy, in the form of food, from one organism to another

• food cycle

• food network

• food chain

• food system

Multiple Choice

What is the difference between a food web and a food chain?

• A food chain is one continuous path of energy, and a food web shows overlapping paths of energy.

• A food web is one continuous path of energy, and a food chain shows overlapping paths of energy.

• A food chain is multiple continuous paths of energy, and a food web shows one path of energy.

• There is no difference between a food chain and a food web.

Science: Unit 4 Lesson 3

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Soak Up the Sun

• Producers are living things that make their own food.

• Photosynthesis is when plants use the energy from the sunlight to change water and carbon dioxide into sugars for food.

• All green plants are producers

Dinnertime

• Humans and animals need energy to live.

• Consumers are living things that eat other living things.

• Carnivores eat only meat

• Herbivores eat only plants

• Omnivores eat both plants and animals

Decomposers

• an organism that breaks down dead organisms for food

• earthworms, mushrooms, and bacteria

• 
  

• 
  

• 
  

Food Chains

• the path of food from one living thing to another

• predator are animals that hunt for other animals

• prey are hunted for food

• all food chains begin with a producer

Multiple Choice

What is the role of the producer in a food chain?

• to eat plants

• to make food

• to eat other living things

• to break down dead things

Multiple Choice

A bird kills and eats an insect for food and energy. Which best describes the bird?

• a predator

• a producer

• a herbivore

Multiple Choice

Which is a correct food chain?

• grass-oak tree-human

• grass-chicken-human

• human-chicken-grass

• chicken-grass-human

Multiple Choice

Living things that only eat plants are _____.

• carnivores

• consumers

• herbivores

• producers

Multiple Choice

Food Chain: green algea-small fish-sea lion-shark. How does the small fish get energy?

• by eating algea

• by eating the shark

• by eating a consumer

• by eating the sea lion

Multiple Choice

Living things that only eat meat are _____

• omnivores

• herbivores

• carnivores

• producers

Multiple Choice

Living things that eat plants and meat are _____

• omnivores

• herbivores

• carnivores

• producers

food chain

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What is a food chain

• a sequence of organisms, each of which uses the next, 

• lower member of the sequence as a food source1

Important 

• •In a food chain each organism obtains energy from the one at the level below.

• •Plants are called producers because they create their own food through photosynthesis3

• Animals are consumers because they cannot create their own food

Primary Producers

• Primary producers are “organisms capable of producing their own food4

• Examples of primary producers include algae, phytoplankton, and large plants

• Primary producers are eaten by primary consumers 

Multiple Choice

What is a Producer?

• An animal that eat plants

• An animal that eats meat

• is a plant that produces their own food

• An animal that grows really tall

Multiple Choice

which one is a Producer?

Multiple Choice

Where do all life forms get their energy?

• Earth's Core

• Water

• Plants

• The Sun

Multiple Choice

Where do all life forms get their energy?

• Earth's Core

• Water

• Plants

• The Sun

Four types of consumer

• •Herbivores: animals that eat only plants3

• Carnivores: animals that eat only other animals3

• Omnivores: animals that eat animals and plants3

• •Detritivores: Animals that eat dead materials and organic wastes 

Classify Consumers

• Primary Consumers: Herbivores3

• Secondary Consumers: Carnivores that eat herbivores3

• Tertiary Consumers: Carnivores that eat other carnivores3

• 
  

Multiple Choice

What do Carnivores eat? 

• Plants ONLY 
• Animals ONLY
• Plants AND Animals

Multiple Choice

What do Herbivores eat? 

• Plants ONLY 
• Animals ONLY
• Plants AND Animals

Multiple Choice

What do Omnivores eat? 

• Plants ONLY 
• Animals ONLY
• Plants AND Animals

Multiple Choice

What is a consumer?

• Organism that creates their own food.

• Organism that eat other organisms for energy

• Organism that eat other dead organisms

Detritivore

• •Worms are common detritivores in many ecosystems including marshes