Ecology Terms 3rd Grade Science

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3rd Grade Science Quizzes & Trivia

Ecology is the scientific study of the distributions, abundance and relations of organisms and their interactions with the environment. Ecology includes the study of plant and animal populations, plant and animal communities and ecosystems. Test your understanding on ecology in the 3rd grade by taking the quiz below. All the best!


Questions and Answers
  • 1. 

    What is ecology?

    • A.

      The relationship between organisms and their environments.

    • B.

      The place where an organism lives and the provides the things an organism needs.

    • C.

      A living thing

    Correct Answer
    A. The relationship between organisms and their environments.
    Explanation
    Ecology refers to the study of the relationship between organisms and their environments. It involves understanding how organisms interact with each other and with their surroundings, including the physical and biological factors that influence these interactions. This field of study examines the interdependence and interconnectedness of living organisms, as well as their impact on the environment and vice versa. By studying ecology, scientists gain insights into the functioning of ecosystems and can develop strategies to conserve and manage natural resources effectively.

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  • 2. 

    Who was Charles Darwin?

    • A.

      A french explorer who discovered Peru.

    • B.

      A british naturalist who proposed the theory of evolution based on natural selection.

    • C.

      A nutty professor.

    Correct Answer
    B. A british naturalist who proposed the theory of evolution based on natural selection.
    Explanation
    Charles Darwin was a British naturalist who is best known for his theory of evolution based on natural selection. He proposed that species evolve over time through a process called natural selection, where individuals with advantageous traits are more likely to survive and reproduce. This theory revolutionized the field of biology and had a profound impact on our understanding of the diversity of life on Earth. Darwin's work laid the foundation for modern evolutionary biology.

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  • 3. 

    Where are the Galapagos Islands?

    • A.

      Off the coast of South America, owned by Equador.

    • B.

      Off the western coast of Africa.

    • C.

      Near Alaska.

    Correct Answer
    A. Off the coast of South America, owned by Equador.
    Explanation
    The Galapagos Islands are located off the coast of South America and are owned by Ecuador. They are known for their unique biodiversity and played a significant role in Charles Darwin's theory of evolution.

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  • 4. 

    Adaptation is a characteristic that helps an organism survive in its environment or reproduce.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Adaptation is a key characteristic that enables organisms to survive and reproduce in their environment. It refers to the ability of an organism to adjust and modify its behavior, physiology, or structure in response to changes in its surroundings. Through adaptation, organisms can better cope with environmental challenges and increase their chances of survival and successful reproduction. Therefore, the statement "Adaptation is a characteristic that helps an organism survive in its environment or reproduce" is true.

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  • 5. 

    A desert is similar in weather to a rainforest.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    A desert and a rainforest have completely opposite weather conditions. Deserts are characterized by extremely dry and hot weather with very little rainfall, while rainforests are known for their high levels of rainfall and humidity. Therefore, the statement that a desert is similar in weather to a rainforest is false.

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  • 6. 

    The Green Bay Packers are said to play in the "frozen tundra" because Green Bay, Wisconsin is cold and treeless.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because Green Bay, Wisconsin is known for its cold climate and lack of trees. The term "frozen tundra" is often used to describe the harsh winter conditions in the region, which is why it is associated with the Green Bay Packers. This nickname highlights the challenging playing conditions the team faces during the winter months.

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  • 7. 

    Biotics are the living parts of an ___________________________.

    Correct Answer
    ecosystem
    Explanation
    Biotics are the living parts of an ecosystem. An ecosystem consists of both living organisms (biotic factors) and non-living elements (abiotic factors) that interact with each other. Biotic factors include plants, animals, bacteria, fungi, and other microorganisms that play vital roles in the ecosystem. They contribute to the energy flow, nutrient cycling, and overall functioning of the ecosystem. Without the presence of biotic factors, an ecosystem would not be able to sustain life and maintain its balance.

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  • 8. 

    Grasslands are a biome that contain ___________ and other herbaceous ____________.

    Correct Answer
    grasses plants
    grass plants
    Explanation
    Grasslands are a type of biome characterized by the presence of grasses and other herbaceous plants. These plants are the dominant vegetation in grasslands and play a crucial role in the ecosystem. They provide food and habitat for a variety of animals, contribute to soil fertility, and help prevent soil erosion. The term "grasses plants" and "grass plants" both refer to the same concept of these plant species found in grasslands.

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  • 9. 

    What is evolution?

    • A.

      Is the process by which species of organisms arise from earlier life forms and undergo change over time through natural selection.

    • B.

      Is the parts of the land, sea and atmosphere in which organisms are able to live

    • C.

      Is a group of similar organisms.

    Correct Answer
    A. Is the process by which species of organisms arise from earlier life forms and undergo change over time through natural selection.
    Explanation
    Evolution is the process by which species of organisms arise from earlier life forms and undergo change over time through natural selection. This explanation accurately describes evolution as a gradual change in species over generations, driven by the mechanism of natural selection. It highlights the concept of species originating from earlier life forms and adapting to their environment through the process of evolution.

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  • 10. 

    What is the biosphere?

    • A.

      All the members of one species in a particular area.

    • B.

      A community of organisms living in a specific environment.

    • C.

      The parts of the land, sea and atmosphere in which organisms are able to live.

    Correct Answer
    C. The parts of the land, sea and atmosphere in which organisms are able to live.
    Explanation
    The biosphere refers to the parts of the land, sea, and atmosphere where organisms can live. It encompasses all the ecosystems on Earth, including terrestrial, aquatic, and atmospheric environments. It includes not only the physical elements of these environments but also the living organisms that inhabit them. This definition highlights the broad scope of the biosphere, emphasizing that it encompasses all areas where life is found on our planet.

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  • 11. 

    A __________ is an area of plants and animals.  Examples are grassland, desert, _______________, deciduous forest, coniferous forest and tundra.

    Correct Answer
    biome rainforest
    biome rainforests
    Explanation
    A biome is an area of plants and animals. Examples of biomes include grassland, desert, rainforest, deciduous forest, coniferous forest, and tundra. The term "biome" is used to describe a large geographical area that has a distinct climate, soil, and vegetation, which in turn support specific types of plants and animals. The rainforest is a specific type of biome characterized by high rainfall, dense vegetation, and a high diversity of plant and animal species. The plural form "rainforests" can also be used to refer to multiple rainforest biomes around the world.

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  • 12. 

    A habitat provides which of the following things for an organism:

    • A.

      Food

    • B.

      Water

    • C.

      Shelter

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Check ALL that apply.

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  • 13. 

    A deciduous forest is a biome that:

    • A.

      Contains trees with leaves

    • B.

      Has cold winters

    • C.

      Has warm summers

    • D.

      None of the above

    Correct Answer(s)
    A. Contains trees with leaves
    B. Has cold winters
    C. Has warm summers
    Explanation
    Check ALL that apply.

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  • 14. 

    A rainforest is a biome that is wet half of the year.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement that a rainforest is wet half of the year is false. Rainforests are characterized by high levels of rainfall throughout the year, with no specific dry season. They typically receive consistent rainfall and have high humidity levels, making them one of the wettest biomes on Earth.

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  • 15. 

    An ecosystem is a single organism living in a specific environment.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given statement is incorrect. An ecosystem is not a single organism, but rather a complex network of living organisms (plants, animals, and microorganisms) interacting with each other and their physical environment. It includes both biotic (living) and abiotic (non-living) components working together as a functional unit. Therefore, the correct answer is False.

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  • 16. 

    A population is:

    • A.

      A group of similar organisms

    • B.

      A living thing

    • C.

      All the members of one species in a particular area

    Correct Answer
    C. All the members of one species in a particular area
    Explanation
    The correct answer is "all the members of one species in a particular area." This definition accurately describes a population as a collection of individuals belonging to the same species that inhabit a specific geographic location. It emphasizes the concept of interbreeding and shared genetic characteristics among the members of the population.

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  • 17. 

    A coniferous forest is a biome that contains evergreen trees (which are trees that bear cones).

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    A coniferous forest is a type of biome that is characterized by the presence of evergreen trees. These trees are called evergreens because they retain their leaves or needles throughout the year, giving them a green appearance even in winter. Additionally, coniferous trees produce cones as part of their reproductive process. Therefore, it is true that a coniferous forest is a biome that contains evergreen trees that bear cones.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 02, 2010
    Quiz Created by
    Karnezis5
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