Levels of Organization, Food Chains, and Webs

Multiple Choice

Which of the following best describes the difference between a food chain and a food web?

• A food chain shows a single path of energy flow, while a food web shows multiple interconnected paths.

• A food chain shows all organisms in an ecosystem, while a food web shows only plants.

• A food chain includes only producers, while a food web includes only consumers.

• A food chain is found in water ecosystems, while a food web is found on land.

Open Ended

Why is understanding the flow of energy in an ecosystem important for environmental science?

Multiple Choice

Which of the following best describes a food web?

• A single path showing how energy moves from one organism to another

• A tangled web of many food chains linked together

• A diagram showing only producers and consumers

• A chart showing only herbivores

Multiple Select

Which of the following are examples of consumers?

• Rabbit

• Grass

• Human

• Hawk

Open Ended

Describe how energy flows from the Sun to a hawk in a food chain, using the examples shown in the slides.

Open Ended

Explain the difference between a population and a community in an ecosystem.

Multiple Choice

Which of the following is an abiotic factor in an ecosystem?

• Tree

• Fish

• Sunlight

• Grass

Open Ended

Explain the difference between a population and a community, using examples from the images provided.

Multiple Choice

Which of the following correctly lists the levels of organization in order from smallest to largest?

• Individual, Population, Community, Ecosystem, Biome, Biosphere

• Population, Individual, Community, Ecosystem, Biome, Biosphere

• Community, Population, Individual, Ecosystem, Biome, Biosphere

• Individual, Community, Population, Ecosystem, Biosphere, Biome

Multiple Choice

A group of baby turtles of the same species hatching on a beach is an example of which level of organization?

• Organism

• Population

• Community

• Ecosystem

Multiple Choice

The alligator shown in the image represents which level of organization?

• Organism

• Population

• Community

• Ecosystem

Multiple Select

Which of the following are present in the pond ecosystem shown in the image?

• Producers

• Consumers

• Decomposers

• All of the above

Open Ended

Explain the difference between a population and a community using examples from the images provided.

Multiple Choice

Which of the following best describes the relationship between the raccoon in the first image and the group of organisms shown in the second image?

• The raccoon is an individual organism, while the second image shows a community of different species.

• The raccoon is a population, while the second image shows a biome.

• The raccoon is an ecosystem, while the second image shows a biosphere.

• The raccoon is a biome, while the second image shows a population.

Open Ended

Reflecting on what you learned about ecosystem basics and energy flow, what is one question you still have or something you would like to know more about?

Multiple Choice

How does a food web differ from a food chain in an ecosystem?

• A food web shows only one path of energy flow, while a food chain shows multiple paths.

• A food web shows multiple interconnected food chains, while a food chain shows a single path of energy flow.

• A food web only includes producers, while a food chain includes all organisms.

• A food web is less complex than a food chain.