Food Chains vs. Food Webs

Open Ended

What do you already know about food chains and food webs?

Producer - an organism that can produce its own food.
Consumer - a living thing that cannot make its own food and must eat other living things

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Producers and Consumers

Multiple Choice

Which of the following is a primary consumer in a food chain?

• Frog

• python

• Fungi

• grasshopper

Fill in the Blanks

Fill in the blank: Herbivores are

eaters.

Multiple Choice

What is a food web?

• A single food chain

• A collection of food chains

• A type of ecosystem

• A single organism's diet

Multiple Choice

What does biodiversity mean?

• The variety of life in a particular habitat

• The number of plants in an area

• The presence of only animals in an environment

• The absence of nonliving things

Multiple Choice

How are food chains and food webs similar and different?

• Both involve organisms eating each other, but food webs are more complex.

• Food chains are linear, while food webs are circular.

• Food chains involve plants only, while food webs involve animals only.

• Both are unrelated to biodiversity.

Fill in the Blanks

Food webs always start with a

Open Ended

How do food chains and food webs work together to maintain balance in an ecosystem?

Open Ended

How might this ecosystem be affected if the majority of the grass died?

Open Ended

How might this ecosystem be affected if the fox became overpopulated?

Fill in the Blanks

In a food chain, energy is transferred from the

to the rabbit.

Multiple Choice

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

• It provides energy to producers.

• It directly feeds the primary consumers.

• It is consumed by secondary consumers.

• It acts as a decomposer.

Multiple Choice

Which of the following organisms can be a primary consumer in a terrestrial ecosystem?

• Rabbit

• Fox

• Grass

• Owl

Open Ended

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

Multiple Choice

Which is not an example of a producer?

• Seaweed

• Prairie grass

• Mushroom

• Wildflowers

Multiple Choice

Which best describes the relationship between food chains and food webs?

• A food chain is made up of many different food webs to maintain biodiversity in an ecosystem.

• A food web is made up of many different food chains to maintain biodiversity in an ecosystem.

• A food chain is another name for a food web.

• A food chain is sometimes part of a food web.

Multiple Choice

What does it mean for an ecosystem to have biodiversity?

• A habitat with a small animal population and some plants.

• An ecosystem that has a variety of plant life.

• Two to three specific types of species within the ecosystem.

• Many different species of plants and animals present within the ecosystem.

Open Ended

How do food chains show the flow of energy?

Multiple Choice

What are the three types of consumers based on their diet?

• Herbivore, Carnivore, Omnivore

• Producer, Decomposer, Consumer

• Primary, Secondary, Tertiary

• Predator, Prey, Scavenger

Multiple Choice

What is a food chain?

• A series of events where one organism eats another to obtain energy.

• A group of animals living together.

• A type of plant that grows in the forest.

• A method of cooking food.