Year 7 Ecology Quiz

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| By Edward Hung
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Edward Hung
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Quizzes Created: 15 | Total Attempts: 54,997
Questions: 15 | Attempts: 1,877

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Ecology Quizzes & Trivia

Ecology quiz


Questions and Answers
  • 1. 

    How do biotic resources differ from abiotic resources? 

    • A.

      Biotic resources are more important than abiotic resources

    • B.

      Biotic resources are limited and abiotic are unlimited.

    • C.

      Biotic resources are living and abiotic resources are non-living

    • D.

      Biotic resources are non-living and abiotic resources are living

    Correct Answer
    C. Biotic resources are living and abiotic resources are non-living
    Explanation
    Biotic resources refer to the living organisms, such as plants, animals, and microorganisms, that are found in an ecosystem and can be used by humans. On the other hand, abiotic resources are non-living components of the environment, such as air, water, minerals, and sunlight. The given answer correctly states that biotic resources are living, while abiotic resources are non-living. This differentiation is important because it helps us understand the different ways in which these resources can be utilized and managed for sustainable development.

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  • 2. 

    Which of the following consist of only abiotic factors?

    • A.

      Air, water, grass, wombat

    • B.

      Air, water, sunlight, and soil

    • C.

      Hawks, rabbits, tree, and eagles

    • D.

      Grass, trees, bushes, and flowers

    Correct Answer
    B. Air, water, sunlight, and soil
    Explanation
    The correct answer is "Air, water, sunlight, and soil". Abiotic factors refer to non-living components of an ecosystem. Air, water, sunlight, and soil are all abiotic factors as they do not possess life. They are essential for the functioning and survival of living organisms in the ecosystem.

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  • 3. 

    An example of a biotic resource in a forest ecosystem is:

    • A.

      Waterfall

    • B.

      Tree

    • C.

      Cliff

    • D.

      Rock

    Correct Answer
    B. Tree
    Explanation
    A tree is an example of a biotic resource in a forest ecosystem because it is a living organism that plays a crucial role in the ecosystem. Trees provide habitat for various organisms, including birds, insects, and other plants. They also help in maintaining the balance of oxygen and carbon dioxide in the atmosphere through the process of photosynthesis. Trees also contribute to soil fertility by preventing erosion and providing nutrients. Overall, trees are an essential component of a forest ecosystem and have a significant impact on the overall health and functioning of the ecosystem.

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  • 4. 

    The source of energy for almost all life on earth is:

    • A.

      Sunlight

    • B.

      Fungi

    • C.

      Water

    • D.

      Animals

    Correct Answer
    A. Sunlight
    Explanation
    Sunlight is the correct answer because it is the primary source of energy for almost all life on earth. Through the process of photosynthesis, plants and other photosynthetic organisms convert sunlight into chemical energy, which is then used by other organisms in the food chain. Sunlight provides the energy necessary for plants to grow and produce oxygen, which is essential for the survival of other organisms. Without sunlight, life on earth would not be possible as it plays a crucial role in sustaining the planet's ecosystems.

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  • 5. 

    In a number pyramid, the bottom level represents:

    • A.

      Consumers

    • B.

      Producers

    • C.

      Scavengers

    • D.

      Decomposer

    Correct Answer
    B. Producers
    Explanation
    The bottom level of a number pyramid represents producers. Producers are organisms that can create their own food through photosynthesis or chemosynthesis. They are the foundation of the food chain as they provide energy and nutrients for other organisms. In a number pyramid, the bottom level typically has the highest number of individuals or biomass, indicating the abundance of producers in an ecosystem.

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  • 6. 

    An example of a consumer in a pond ecosystem is:

    • A.

      Water lily

    • B.

      Algae

    • C.

      Reed

    • D.

      Frog

    Correct Answer
    D. Frog
    Explanation
    A consumer in a pond ecosystem refers to an organism that obtains its energy by consuming other organisms. In this case, a frog is the best example of a consumer as it feeds on other organisms like insects, small fish, and even other frogs. This makes the frog an essential part of the food chain in the pond ecosystem, as it helps regulate the population of its prey and maintains the balance of the ecosystem.

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  • 7. 

    Which of these food chains is in the correct order?

    • A.

      Caterpillar, water lily, frog, snake

    • B.

      Water lily, caterpillar, frog, snake

    • C.

      Snake, frog, caterpillar, water lily

    • D.

      Water lily, frog, caterpillar, snake

    Correct Answer
    B. Water lily, caterpillar, frog, snake
    Explanation
    The correct order of the food chain is water lily, caterpillar, frog, snake. In a food chain, each organism is dependent on the one before it for energy. Water lilies are plants that provide food for caterpillars. Caterpillars, in turn, are eaten by frogs. Finally, snakes eat frogs, completing the food chain.

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  • 8. 

    An example of a producer is:

    • A.

      Fungus

    • B.

      Caterpillar

    • C.

      Bird

    • D.

      Water Lily

    Correct Answer
    D. Water Lily
    Explanation
    A producer is an organism that can produce its own food through photosynthesis. Water lilies are plants that have chlorophyll and can convert sunlight into energy, making them capable of producing their own food. Fungus, caterpillar, and bird are not examples of producers as they do not have the ability to produce their own food through photosynthesis.

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  • 9. 

    An animal that eats only plants is a :

    • A.

      Primary consumer

    • B.

      Secondary consumer

    • C.

      Teritary consumer

    • D.

      Primiary producer

    Correct Answer
    A. Primary consumer
    Explanation
    A primary consumer is an animal that eats only plants. This means that it is at the second trophic level in a food chain or food web, as it consumes producers (plants) for energy. Primary consumers are herbivores and play a crucial role in transferring energy from plants to higher trophic levels. They are often preyed upon by secondary consumers, which are carnivores that eat herbivores. Therefore, the correct answer is primary consumer.

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  • 10. 

    Decomposers are important to ecosystems because they:

    • A.

      Are at the highest level of the energy pyramid

    • B.

      Breakdown dead bodies and animals' faeces into useful nutrients.

    • C.

      Convert light energy into sugars through photosynthesis

    • D.

      Make nutrients available for producers to use

    Correct Answer
    B. Breakdown dead bodies and animals' faeces into useful nutrients.
    Explanation
    Decomposers are important to ecosystems because they breakdown dead bodies and animals' faeces into useful nutrients. This process is known as decomposition, and it plays a crucial role in recycling nutrients back into the environment. By breaking down organic matter, decomposers release nutrients such as nitrogen, phosphorus, and carbon back into the soil or water, making them available for uptake by plants and other producers. Without decomposers, dead organic material would accumulate, and essential nutrients would become locked away, limiting the availability of resources for other organisms in the ecosystem.

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  • 11. 

    A food chain shows: 

    • A.

      One possible pathway for energy

    • B.

      Many possible pathways for energy

    • C.

      The amount of energy available to a producer

    • D.

      The amount of energy available to a consumer

    Correct Answer
    A. One possible pathway for energy
    Explanation
    A food chain shows one possible pathway for energy because it represents the flow of energy from one organism to another in a linear sequence. Each organism in the chain obtains energy by consuming the organism below it, and this transfer of energy continues along the chain. However, it is important to note that there can be multiple food chains within an ecosystem, as organisms often have more than one potential food source.

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  • 12. 

    The place where each living thing lives is the

    • A.

      Habitat

    • B.

      Ecosystem

    • C.

      Community

    • D.

      Population

    Correct Answer
    A. Habitat
    Explanation
    The correct answer is habitat. A habitat refers to the specific place or environment where a living organism, such as an animal or plant, naturally lives or is typically found. It includes the physical surroundings, such as climate, soil, and vegetation, as well as the interactions with other organisms present in that area. The habitat provides the necessary resources and conditions for the organism's survival, growth, and reproduction.

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  • 13. 

    Which of the following is known as a primary consumer?

    • A.

      Herbivore

    • B.

      Carnivore

    • C.

      Omnivore

    • D.

      Prodiucer

    Correct Answer
    A. Herbivore
    Explanation
    A primary consumer is an organism that feeds on plants or other producers. Herbivores specifically eat only plants, making them the correct answer. Carnivores eat meat, omnivores eat both plants and meat, and producers are organisms that produce their own food through photosynthesis.

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  • 14. 

    What is the name of the green pigment found in plants?

    • A.

      Starch

    • B.

      Cytoplasm

    • C.

      Chlorophyll

    • D.

      Carotene

    Correct Answer
    C. Chlorophyll
    Explanation
    Chlorophyll is the correct answer because it is the green pigment found in plants. It is responsible for absorbing light energy during photosynthesis, which is the process by which plants convert sunlight into chemical energy. Chlorophyll gives plants their green color and plays a crucial role in capturing and converting light energy into usable forms.

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  • 15. 

    Feature that makes an organism suitable to its environment is called the

    • A.

      Accommodation

    • B.

      Adaptation

    • C.

      Adoption

    • D.

      Metamorphosis

    Correct Answer
    B. Adaptation
    Explanation
    Adaptation refers to the feature or characteristic that allows an organism to adjust or change in order to survive and thrive in its specific environment. It can include physical traits, behaviors, or physiological processes that help the organism better cope with the challenges and demands of its surroundings. Adaptation is crucial for the survival and reproductive success of an organism, as it enables them to obtain food, avoid predators, withstand extreme temperatures, or utilize available resources effectively.

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  • Current Version
  • Nov 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 08, 2014
    Quiz Created by
    Edward Hung
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