Book E Ch 3 Modified Test

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Book E Ch 3 Modified Test - Quiz

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Questions and Answers
  • 1. 

    The ______biomes are found at the same latitudes as deciduous forests, but receive less precipitation.

    • A.

      Grasslands

    • B.

      Taiga

    Correct Answer
    A. Grasslands
    Explanation
    Grasslands are the correct answer because they are biomes that are found at the same latitudes as deciduous forests, but receive less precipitation. Grasslands are characterized by the presence of grasses and a lack of trees, and they typically receive between 10 and 30 inches of precipitation per year. This makes them drier than deciduous forests, which receive more rainfall. Grasslands are also known for their rich biodiversity and are home to a variety of plant and animal species.

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  • 2. 

    The ___layer of rainforest vegetation is made up of shade-tolerant shorter plants, insects, reptiles, and amphibians.

    • A.

      Emergent

    • B.

      Understory

    Correct Answer
    B. Understory
    Explanation
    The correct answer is understory. The understory layer of rainforest vegetation consists of shade-tolerant shorter plants, insects, reptiles, and amphibians. This layer is located beneath the canopy layer and receives less sunlight, resulting in the growth of plants that can thrive in low light conditions. The understory provides habitat and resources for a variety of species and plays an important role in the overall biodiversity of the rainforest ecosystem.

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  • 3. 

    A pasture gradually returns to a forested state.

    • A.

      Primary succession

    • B.

      Secondary succession

    Correct Answer
    B. Secondary succession
    Explanation
    Secondary succession is the correct answer because it refers to the process of ecological succession that occurs in an area that has previously been inhabited by living organisms but has been disturbed or undergone a significant change. In this case, the pasture is transitioning back to its natural state as a forest, indicating that it was previously a forested area that was converted into a pasture and is now regenerating.

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  • 4. 

    Soil that remains frozen year-round

    • A.

      Grassland

    • B.

      Permafrost

    Correct Answer
    B. Permafrost
    Explanation
    Permafrost refers to soil that remains frozen year-round. It is a layer of soil or rock that remains at or below freezing temperature for at least two consecutive years. This frozen condition hinders the growth of vegetation and restricts the movement of water, resulting in a barren landscape. Therefore, permafrost is the correct answer in the context of soil that remains frozen throughout the year.

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  • 5. 

    Large geographic areas that have similar climates and ecosystems are called

    • A.

      Rainforests

    • B.

      Biomes

    Correct Answer
    B. Biomes
    Explanation
    Biomes are large geographic areas that have similar climates and ecosystems. They are characterized by specific types of vegetation and animal life that are adapted to the environmental conditions of the region. Rainforests are a type of biome, but not all biomes are rainforests. Therefore, the correct answer is biomes.

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  • 6. 

    What kind of succession occurs when lava covers the land?

    • A.

      Primary

    • B.

      Secondary

    Correct Answer
    A. Primary
    Explanation
    When lava covers the land, it creates a barren and uninhabitable environment. Primary succession occurs in this situation, as it is the process of colonization and establishment of life in an area that was previously devoid of any living organisms. In the case of lava covering the land, primary succession involves the gradual formation of soil and the colonization of pioneer species, such as lichens and mosses, which eventually pave the way for the growth of more complex plant and animal communities.

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  • 7. 

    What biome do you live in?

    • A.

      Temperate deciduous forest

    • B.

      Tropical rainforest

    Correct Answer
    A. Temperate deciduous forest
    Explanation
    The temperate deciduous forest is a biome characterized by moderate temperatures and a variety of deciduous trees that shed their leaves in the winter. This biome is typically found in regions with four distinct seasons, such as parts of North America, Europe, and Asia. Given that the question asks "What biome do you live in?", the correct answer would depend on the location of the person answering the question. If they live in a region with moderate temperatures and deciduous trees, they would likely live in a temperate deciduous forest biome.

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  • 8. 

    Ecological succession can begin when seeds are carried to bare areas by birds or the wind.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Ecological succession is the process of gradual change in the species composition of a community over time. It can start when seeds are transported to bare areas by birds or wind. This is because these seeds have the potential to germinate and grow, eventually leading to the establishment of new plant species. This process is essential for the colonization and development of ecosystems, allowing for the replacement of pioneer species with more complex and diverse communities. Therefore, the statement "Ecological succession can begin when seeds are carried to bare areas by birds or the wind" is true.

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  • 9. 

    Climax communities are not the same everywhere.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Climax communities refer to stable and mature ecosystems that have reached a state of equilibrium. These communities are shaped by various factors such as climate, soil conditions, and species interactions. As a result, climax communities can vary significantly from one place to another. The statement "Climax communities are not the same everywhere" is true because different regions have different environmental conditions, leading to the development of distinct climax communities.

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  • 10. 

    Each stage of succession changes the environment.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Succession refers to the gradual and predictable changes that occur in an ecosystem over time. Each stage of succession involves a series of changes in the environment, such as the composition of plant and animal species, nutrient availability, and physical characteristics. As one stage progresses to the next, the environment undergoes significant transformations. This is because different species have different requirements and interactions with their surroundings, leading to modifications in the ecosystem. Therefore, it is true that each stage of succession changes the environment.

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  • 11. 

    Deciduous trees are pioneer species.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement that deciduous trees are pioneer species is false. Pioneer species are the first to colonize an area after a disturbance, such as a fire or landslide. Deciduous trees, on the other hand, are a type of tree that sheds its leaves annually. While some deciduous trees may be among the first to colonize an area after a disturbance, not all deciduous trees are pioneer species. Therefore, the correct answer is false.

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  • 12. 

    Put a checkmark on all of the freshwater ecosystems.

    • A.

      Pond

    • B.

      Ocean

    • C.

      Lagoon

    • D.

      River

    Correct Answer(s)
    A. Pond
    D. River
    Explanation
    The correct answer is pond and river. Both ponds and rivers are examples of freshwater ecosystems. Ponds are small bodies of still water, often surrounded by land, while rivers are flowing bodies of water that can vary in size. Both of these ecosystems support a variety of plant and animal life that is adapted to living in freshwater environments. The ocean and lagoon, on the other hand, are saltwater ecosystems and do not fit the criteria of being freshwater ecosystems.

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  • 13. 

    Put a checkmark on all of the saltwater ecosystems.

    • A.

      Lake

    • B.

      Estuary

    • C.

      Coral reefs

    • D.

      Creek

    Correct Answer(s)
    B. Estuary
    C. Coral reefs
    Explanation
    Estuaries and coral reefs are both examples of saltwater ecosystems. Estuaries are areas where freshwater from rivers meets and mixes with saltwater from the ocean, creating a unique habitat that supports a diverse range of plant and animal species. Coral reefs, on the other hand, are underwater structures formed by the accumulation of coral polyps over time. They are found in warm, shallow waters and are known for their high biodiversity and vibrant colors. Therefore, both estuaries and coral reefs can be considered as saltwater ecosystems.

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  • 14. 

    Put a checkmark on all the examples of primary succession.

    • A.

      Flooded land

    • B.

      Exposed coral reer

    • C.

      Fire

    • D.

      Parking lot

    Correct Answer(s)
    B. Exposed coral reer
    D. Parking lot
    Explanation
    Primary succession refers to the process of colonization and establishment of plant and animal species in an area that was previously devoid of life, such as bare rock or newly formed land. In the given options, "exposed coral reef" and "parking lot" are examples of primary succession. An exposed coral reef starts as a bare substrate and gradually becomes inhabited by various marine organisms over time. Similarly, a parking lot is a man-made structure that lacks vegetation initially but can eventually be colonized by plants and animals, making it an example of primary succession.

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