Chapter 13 Ecology Quiz

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  • 1/14 Questions

    Individual living thing

    • Population
    • Ecosystem
    • Organism
    • Biodiversity
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About This Quiz

Explore key ecological concepts with the Chapter 13 Ecology Quiz! Assess your understanding of organisms, populations, ecosystems, biodiversity, and more. This quiz enhances your knowledge of how various ecological components interact within their environments.

Chapter 13 Ecology Quiz - Quiz

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  • 2. 

    An organism that makes its own food

    • Heterotroph (consumer)

    • Autotroph (producer)

    • Keystone species

    • Species

    Correct Answer
    A. Autotroph (producer)
    Explanation
    An autotroph is an organism that is capable of producing its own food through photosynthesis or chemosynthesis. They are the primary producers in a food chain or ecosystem, converting energy from the sun or inorganic compounds into organic matter. This answer is correct because it accurately describes an organism that makes its own food, which fits the definition of an autotroph (producer).

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  • 3. 

    Eats both plants and animals (ex. human)

    • Decomposer

    • Herbivore

    • Omnivore

    • Detrivore

    Correct Answer
    A. Omnivore
    Explanation
    An omnivore is an organism that eats both plants and animals. Humans are an example of omnivores as they consume a variety of plant-based foods such as fruits, vegetables, and grains, as well as animal-based foods such as meat, fish, and dairy products. This ability to derive nutrition from both plant and animal sources makes omnivores adaptable and able to survive in different environments.

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  • 4. 

    Eats only plants (ex. cow)

    • Omnivore

    • Herbivore

    • Detrivore

    • Decomposer

    Correct Answer
    A. Herbivore
    Explanation
    A herbivore is an organism that only consumes plants as its source of food. In this case, the example provided is a cow, which is known to be a herbivore as it primarily feeds on grass and other plant material. Herbivores have specialized digestive systems that allow them to break down and extract nutrients from plant matter. Unlike omnivores and detrivores, which consume a variety of food sources including plants, herbivores solely rely on plants for their nutritional needs. Decomposers, on the other hand, play a different role in the ecosystem by breaking down dead organic matter.

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  • 5. 

    A group of the same species that in one area

    • Organism

    • Population

    • Ecosystem

    • Biodiversity

    Correct Answer
    A. Population
    Explanation
    A population refers to a group of organisms of the same species that exist in a particular area. It represents the individuals of a species that interact and interbreed with one another. This term specifically focuses on the members of one species within a defined geographical location. For example, a population of lions in a particular national park would consist of all the lions living in that area.

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  • 6. 

    An organism that relies on other organisms for food

    • Autotroph (producer)

    • Heterotroph (consumer)

    • Keystone species

    • Organism

    Correct Answer
    A. Heterotroph (consumer)
    Explanation
    A heterotroph is an organism that relies on other organisms for food. They cannot produce their own food through photosynthesis or any other means, so they must consume other organisms or organic matter to obtain energy. This distinguishes them from autotrophs, which can produce their own food, and keystone species, which have a significant impact on their ecosystem but may not necessarily rely on other organisms for food. The term "organism" is a general term that encompasses all living things, but it does not specifically describe the feeding behavior of an organism.

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  • 7. 

    Breaks down dead organic matter (ex. fungus)

    • Decomposer

    • Detrivore

    • Herbivore

    • Omnivore

    Correct Answer
    A. Decomposer
    Explanation
    A decomposer is an organism that breaks down dead organic matter, such as fungus. It plays a crucial role in the ecosystem by decomposing dead organisms and recycling nutrients back into the environment. This process helps to maintain the balance of nutrients and energy flow in the ecosystem. Decomposers are essential for the decomposition and recycling of organic materials, contributing to the overall health and sustainability of the ecosystem.

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  • 8. 

    All of the organisms that live in a given area, as well as the climate, soil, water and other abiotic things in that area

    • Biodiversity

    • Population

    • Organism

    • Ecosystem

    Correct Answer
    A. Ecosystem
    Explanation
    An ecosystem refers to the combination of all living organisms (population) and non-living factors (climate, soil, water, etc.) in a specific area. It is a complex network where organisms interact with each other and their environment. The term "ecosystem" encompasses both the biotic (organisms) and abiotic (non-living) components, highlighting the interdependence and interconnections between them. Therefore, the given answer is ecosystem, as it accurately describes the combination of organisms and their surrounding environment in a given area.

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  • 9. 

    Levels of nourishment in a food chain

    • Food chain

    • Food web

    • Trophic levels

    Correct Answer
    A. Trophic levels
    Explanation
    Trophic levels refer to the different levels of nourishment in a food chain. In a food chain, organisms are categorized into different trophic levels based on their position in the chain and their source of energy. The first trophic level consists of primary producers, such as plants, that convert sunlight into energy through photosynthesis. The second trophic level includes herbivores that consume the primary producers. The third trophic level comprises carnivores that feed on herbivores, and so on. Trophic levels help to illustrate the flow of energy and nutrients through an ecosystem, highlighting the interdependence of different organisms in a food chain.

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  • 10. 

    A network of linked food chains

    • Food chain

    • Food web

    • Trophic levels

    Correct Answer
    A. Food web
    Explanation
    A food web is a network of interconnected food chains, where each organism is connected to multiple other organisms through its feeding relationships. Unlike a food chain, which represents a linear sequence of organisms that transfer energy through consumption, a food web shows the complex and interconnected nature of energy flow in an ecosystem. It demonstrates that organisms can have multiple predators and prey, and that energy can flow through different pathways. Therefore, the given answer "food web" is the most appropriate term to describe a network of linked food chains.

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  • 11. 

    The variety of living things in an ecosystem

    • Biodiversity

    • Population

    • Organism

    • Ecosystem

    Correct Answer
    A. Biodiversity
    Explanation
    Biodiversity refers to the variety of living things in an ecosystem. It encompasses all the different species of plants, animals, and microorganisms that coexist in a particular habitat. Biodiversity is important for the stability and functioning of ecosystems as it ensures the availability of essential resources, such as food and shelter, and contributes to the overall health and resilience of the environment. It also plays a crucial role in providing ecosystem services, such as pollination, nutrient cycling, and climate regulation. Therefore, the correct answer for this question is biodiversity.

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  • 12. 

    An organism that has an unusually large effect on its ecosystem

    • Ecosystem

    • Heterotroph

    • Autotroph

    • Keystone species

    Correct Answer
    A. Keystone species
    Explanation
    A keystone species is an organism that has a disproportionately large impact on its ecosystem compared to its abundance. This species plays a crucial role in maintaining the balance and health of the ecosystem. Its presence or absence can greatly affect the diversity and abundance of other species in the ecosystem. Keystone species often have a unique ecological niche or perform important ecological functions such as controlling populations of other species or modifying the physical environment.

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  • 13. 

    Eats dead organic matter (dung beetle)

    • Omnivore

    • Detrivore

    • Herbivore

    • Decomposer

    Correct Answer
    A. Detrivore
    Explanation
    A detrivore is an organism that feeds on dead organic matter. In this case, the dung beetle is specifically mentioned as an example of a detrivore that eats dead organic matter. As a detrivore, the dung beetle plays an important role in the ecosystem by breaking down and recycling organic material, such as animal dung, helping to decompose it and return essential nutrients back into the environment.

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  • 14. 

    Select which of the following are ABIOTIC.

    • Water

    • Air

    • Dirt

    • Sunlight

    Correct Answer(s)
    A. Water
    A. Air
    A. Dirt
    A. Sunlight
    Explanation
    Water, air, dirt, and sunlight are all examples of abiotic factors. Abiotic factors refer to non-living components of an ecosystem, which have a significant impact on the organisms living in that ecosystem. Water, air, and dirt are all physical substances that are necessary for the survival of many organisms. Sunlight is a form of energy that is essential for photosynthesis, the process by which plants convert sunlight into food. Therefore, all of the given options are abiotic factors that play a crucial role in the functioning of ecosystems.

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  • Current Version
  • Mar 17, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 15, 2018
    Quiz Created by
    Angie DeLeon
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