Food Chain Quiz: Questions & Answers On EcoSystems

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  • 1/15 Questions

    In a food web, what role do fungi play when breaking down dead organic matter?

    • Predator and Prey
    • Competitors
    • Mutualistic partners
    • Decomposers
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About This Quiz

Do you want to know about the world of ecosystems and understand how energy flows? This food chain quiz to challenge your knowledge and learn about the intricacies of various ecosystems. This interactive quiz will test your understanding of food chains and the roles different organisms play in the environment.

Explore deeper into your ecological studies with our comprehensive food chain questions and answers. This assessment provides detailed explanations, ensuring that you gain a deeper understanding of the subject. Perfect for students, teachers, and nature enthusiasts, this quiz is both educational and entertaining.

Food Chain Quiz: Questions & Answers On Ecosystems - Quiz

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  • 2. 

    Which food chain correctly describes the flow of energy in an ecosystem?

    • Grass-->cow-->human

    • Caterpillar-->leaf-->human

    • Cow-->grass-->human

    • Leaf-->bird-->caterpillar

    Correct Answer
    A. Grass-->cow-->human
    Explanation
    The only food chain that correctly describes the flow of energy in an ecosystem is:
    grass --> cow --> human


    Here's why:


    Primary producers: Plants like grass are the foundation of any ecosystem, capturing sunlight and converting it into energy through photosynthesis. They are the primary producers and the first level of the food chain.


    Herbivores: Herbivores like cows are the next level, consuming primary producers like grass. They are called primary consumers and get their energy directly from plants.


    Carnivores: Humans are carnivores and obtain their energy by consuming other animals, like cows, which makes them secondary consumers.
    The other options are incorrect because:


    Caterpillar --> leaf --> human: Leaves are primary producers, humans are carnivores, and caterpillars are herbivores. This chain reverses the order of energy flow.


    Cow --> grass --> human: This places the producer (grass) after the consumer (cow), which is inaccurate.


    Leaf --> bird --> caterpillar: Similar to the first option, this chain reverses the energy flow as birds are carnivores and caterpillars are herbivores.
    Therefore, only the first option grass --> cow --> human depicts the proper flow of energy in an ecosystem, starting with a primary producer and moving through successive trophic levels of consumers.

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  • 3. 

    In a food web, what is the relationship between a fox and a rabbit?

    • Predator and Prey

    • Competitors

    • Mutualistic partners

    • Decomposers

    Correct Answer
    A. Predator and Prey
    Explanation
    Foxes and rabbits have a predator-prey relationship in a food web. The fox preys on the rabbit, making the rabbit a key part of the fox's diet. This relationship affects the population dynamics of both species. Predation by foxes helps control rabbit populations, preventing overgrazing and maintaining the balance of the ecosystem. Meanwhile, fluctuations in rabbit numbers can influence fox population sizes, as their food availability directly impacts their survival and reproductive success. This dynamic interaction is a fundamental aspect of ecological balance.

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  • 4. 

    Which of these is the example of a decomposer? 

    • Bacteria

    • Plants

    • Fish

    • Snake

    Correct Answer
    A. Bacteria
    Explanation
    Bacteria are an example of decomposers because they break down dead organic matter, such as dead plants and animals, into simpler substances. They play a crucial role in the ecosystem by recycling nutrients and returning them to the soil, which allows for the growth of new plants and sustains the food chain. Unlike plants, fish, and snakes, bacteria do not produce their own food through photosynthesis or consume other organisms directly.

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  • 5. 

    Rabbits eat grass and other plants to survive, but they do not eat animals. What kind of animal are rabbits?

    • Decomposers

    • Carnivores

    • Producers

    • Herbivores

    Correct Answer
    A. Herbivores
    Explanation
    Rabbits are herbivores because they eat grass and other plants for their survival. This means that their diet consists solely of plant material and they do not consume animals. Herbivores are animals that obtain their energy and nutrients from consuming plant matter, making them dependent on vegetation for their sustenance.

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  • 6. 

    In a food web, what is the relationship between a cow and grass?

    • Predator and Prey

    • Competitors

    • Producer and Consumer

    • Decomposers

    Correct Answer
    A. Producer and Consumer
    Explanation
    The relationship between a cow and grass is that of a producer and consumer. Grass, a producer, converts sunlight into energy through photosynthesis, while the cow, a consumer, eats the grass to obtain energy and nutrients. This relationship is fundamental to the flow of energy in an ecosystem. Herbivores like cows play a crucial role in transferring energy from producers to higher trophic levels. Through their grazing, cows also influence plant community composition and nutrient cycling, which affects the overall structure and function of the ecosystem. This producer-consumer relationship highlights the interconnectedness of all living organisms within an ecosystem.

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  • 7. 

    In what order do a hawk, grass, and rabbit form a food chain in a meadow?

    • Hawk-->grass-->rabbit

    • Grass-->hawk-->rabbit

    • Rabbit-->grass-->hawk

    • Grass-->rabbit-->hawk

    Correct Answer
    A. Grass-->rabbit-->hawk
    Explanation
    A food chain represents the flow of energy in an ecosystem. In this case, the correct answer is "grass-->rabbit-->hawk". This is because grass is a producer, meaning it converts sunlight into energy through photosynthesis. The rabbit is a primary consumer, as it feeds on the grass. Finally, the hawk is a secondary consumer, as it preys on the rabbit. This order follows the natural flow of energy from the lowest trophic level (producer) to the highest trophic level (top predator).

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  • 8. 

    How do decomposers help other organisms in an ecosystem?

    • They break down dead organisms and add nutrients back to the soil that plants use.

    • They use the sunlight to make their own food that other organisms eat for energy.

    • They help disperse seeds for plant growth.

    • Decomposers do not help other organisms in an ecosystem.

    Correct Answer
    A. They break down dead organisms and add nutrients back to the soil that plants use.
    Explanation
    Decomposers play a crucial role in an ecosystem by breaking down dead organisms. This process releases nutrients back into the soil, which are then absorbed by plants for their growth and development. In this way, decomposers contribute to the nutrient cycle, ensuring that essential elements are recycled and made available to other organisms in the ecosystem. Without decomposers, dead organic matter would accumulate, and the nutrient availability for plants would decrease, ultimately affecting the entire food web.

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  • 9. 

    Which of these organisms comprise the first level in a food chain? 

    • Consumers

    • Decomposers

    • Producers

    • Prey

    Correct Answer
    A. Producers
    Explanation
    Producers comprise the first level in a food chain. Producers are organisms that can produce their own food through photosynthesis or chemosynthesis. They convert sunlight or inorganic substances into organic matter, which serves as a source of energy for other organisms. In a food chain, producers are consumed by primary consumers, which are then consumed by secondary consumers, and so on. Therefore, producers form the foundation of the food chain by providing energy for all other organisms in the ecosystem.

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  • 10. 

    What does an omnivore animal eat? 

    • Meat & flesh

    • Plants

    • Both plants and meat 

    • None

    Correct Answer
    A. Both plants and meat 
    Explanation
    The correct answer is: both plants and meat.

    Omnivores are animals that can consume and digest both plant and animal matter. They have a more varied diet compared to herbivores (who only eat plants) and carnivores (who only eat meat). Some common examples of omnivores include humans, bears, pigs, raccoons, and crows.

    While meat & flesh could technically be included in both plants and meat, the option "all of the above" might be misinterpreted to include things like fungi, bacteria, or inorganic materials, which aren't typical food sources for animals. So, "both plants and meat" is the most precise and concise answer.

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  • 11. 

    In a food web, what is the relationship between bees and flowers?

    • Predator and Prey

    • Competitors

    • Mutualistic partners

    • Decomposers

    Correct Answer
    A. Mutualistic partners
    Explanation
    Bees and flowers have a mutualistic relationship in a food web. Bees obtain nectar from flowers for food, while flowers benefit from bees' pollination, which helps them reproduce. This mutually beneficial interaction supports the survival and propagation of both species. Pollination by bees is essential for the production of seeds and fruits in many plants, contributing to biodiversity and ecosystem health. Additionally, bees' role as pollinators supports agricultural productivity, making this relationship vital not only to natural ecosystems but also to human food systems.

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  • 12. 

    What is a habitat?

    • The surrounding where an organism lives.

    • All the conditions that surround an organism.

    • All the populations of different organisms.

    • None of the above 

    Correct Answer
    A. The surrounding where an organism lives.
    Explanation
    A habitat is a place where an organism lives. This means that it provides the necessary resources and conditions for the survival and reproduction of a particular organism. It includes factors such as food, water, shelter, and suitable environmental conditions. A habitat can vary in size and can be as small as a leaf or as large as a forest, depending on the needs of the organism. Therefore, the correct answer is "an organism lives."

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  • 13. 

    Which of the following lists only consumers?

    • Hawks, lizards, chipmunks

    • Acorns, squirrels, rabbits

    • Grass, chipmunks, eagles

    • Mice, squirrels, grass

    Correct Answer
    A. Hawks, lizards, chipmunks
    Explanation
    The correct answer is hawks, lizards, chipmunks. This is because hawks, lizards, and chipmunks are all examples of consumers in an ecosystem. Consumers are organisms that obtain their energy by consuming other organisms. In this case, hawks and lizards are predators that feed on other animals, while chipmunks are herbivores that consume plants.

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  • 14. 

    In a food web, what is the relationship between a lion and a hyena if they both hunt zebras?

    • Predator and Prey

    • Competitors

    • Mutualistic partners

    • Decomposers

    Correct Answer
    A. Competitors
    Explanation
    Lions and hyenas are competitors in a food web because they both hunt the same prey, such as zebras. This competition for the same food resources can lead to conflicts between the two species as they vie for dominance and access to their prey. Such interactions can significantly impact the balance of the ecosystem, as both lions and hyenas play crucial roles as apex predators. Their competitive relationship drives evolutionary adaptations and behavioral strategies that ensure their survival within their shared environment.

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  • 15. 

    Which of the following organisms is a primary consumer in a grassland ecosystem?

    • Lion 

    • Grasshopper 

    • Snake 

    • Hawk

    Correct Answer
    A. Grasshopper 
    Explanation
    In a food chain, primary consumers are herbivores that directly feed on producers (plants). Grasshoppers are herbivores that eat grass and other plants, making them primary consumers in a grassland ecosystem. Lions and hawks are tertiary consumers (top predators), while snakes are secondary consumers that prey on primary consumers.

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  • Current Version
  • Feb 28, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 23, 2008
    Quiz Created by
    Andeiotte
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