Sustainability And Biodiversity Multiple Choice Quiz

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  • 1/15 Questions

    The carrying capacity of an ecosystem is affected by Urban Sprawl.

    • True
    • False
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About This Quiz

Take this sustainability and biodiversity quiz today to find out exactly how much you know about the topic. This test is designed in a way so as to be able to determine the level of your retained knowledge and provide you with a result based on your performance with respect to the questions provided. To get an accurate result, you need to answer ALL the questions to the best of your ability and you will receive your result at the end.

Sustainability And Biodiversity Multiple Choice Quiz - Quiz

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  • 2. 

    When the population is graphed against time, a J-shaped curve is produced by exponential growth which is accelerated growth.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Exponential growth refers to a pattern where a quantity increases rapidly over time. When the population is graphed against time, a J-shaped curve is observed, indicating exponential growth. This curve starts slowly, then accelerates as the population grows at an increasing rate. Therefore, the statement that a J-shaped curve is produced by exponential growth is true.

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  • 3. 

    Which amongst the following is not a benefit of maintaining sustainable forest ecosystems?

    • Empty space on which to build homes

    • Habitat for thousands of species

    • Reduction of erosion in watersheds

    • Regulation of weather patterns

    Correct Answer
    A. Empty space on which to build homes
    Explanation
    Maintaining sustainable forest ecosystems provides numerous benefits such as habitat for species, reduction of erosion in watersheds, and regulation of weather patterns. However, the idea of empty space on which to build homes is not a benefit of maintaining sustainable forest ecosystems. Instead, it implies deforestation and the destruction of these ecosystems, which can have negative consequences for the environment and wildlife.

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  • 4. 

    Mutualism is displayed by what pair of organisms?

    • Brain worms and deer

    • Cave-dwelling bats and big brown bats

    • Corals and algae

    • Wolves and moose

    Correct Answer
    A. Corals and algae
    Explanation
    Corals and algae display mutualism, a type of symbiotic relationship where both organisms benefit. Corals provide a protected environment and nutrients for the algae, while the algae provide food through photosynthesis. This mutually beneficial interaction is essential for the survival and growth of coral reefs, as the algae contribute to the vibrant colors and energy production of the corals.

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  • 5. 

    The unexplained disappearance or diminished ability of a beehive to support itself is known as:

    • Colony collapse disorder

    • Decomposition

    • Ecotourism

    • Desertification

    Correct Answer
    A. Colony collapse disorder
    Explanation
    Colony collapse disorder refers to the phenomenon where a beehive suddenly loses a significant number of worker bees, leading to the decline or collapse of the entire colony. This can occur due to various factors such as pesticides, parasites, diseases, habitat loss, and climate change. The disappearance or reduced ability of the beehive to sustain itself is a serious concern as bees play a crucial role in pollination, which is essential for the reproduction of many plants and the overall biodiversity of ecosystems.

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  • 6. 

    The decline in the number of tons of fish caught can be explained by what process?

    • Bioremediation

    • Deforestation

    • Extinction

    • Overexploitation

    • Succession

    Correct Answer
    A. Overexploitation
    Explanation
    Overexploitation refers to the excessive harvesting or extraction of a resource beyond its sustainable level, resulting in a decline in its availability. In the context of the question, the decline in the number of tons of fish caught can be attributed to overexploitation, meaning that the fish population is being excessively fished, leading to a decrease in their numbers. This explanation aligns with the concept of overexploitation as a process that can explain the decline in fish catch.

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  • 7. 

    From the following, what is an example of stewardship?

    • Bioaugmentation

    • Deforestation

    • Extinction

    • Biomagnification

    Correct Answer
    A. Bioaugmentation
    Explanation
    Bioaugmentation is the process of introducing beneficial microorganisms into an environment to enhance its natural processes. This practice is a form of stewardship because it involves actively managing and improving the health and sustainability of an ecosystem. By introducing these microorganisms, bioaugmentation can help restore soil fertility, enhance wastewater treatment, and promote the breakdown of pollutants. It is a proactive approach to environmental conservation and demonstrates responsible stewardship of natural resources.

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  • 8. 

    Which example is an ethical reason for the practice of stewardship?

    • Humans need clean water to drink

    • Humans need food to eat

    • Future generations should get to enjoy the biosphere

    • The ecosystem cycles nutrients that humans need

    • The ecosystem provides raw materials for human use

    Correct Answer
    A. Future generations should get to enjoy the biosphere
    Explanation
    The example "Future generations should get to enjoy the biosphere" is an ethical reason for the practice of stewardship because it emphasizes the responsibility of current generations to protect and preserve the environment for the benefit and enjoyment of future generations. This example highlights the importance of considering the long-term impact of our actions on the sustainability of the biosphere.

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  • 9. 

    A population which is maintained at its carrying capacity is said to be:

    • A limiting factor

    • Growing exponentially

    • In equilibrium

    • Inactive

    • Unsustainable

    Correct Answer
    A. In equilibrium
    Explanation
    When a population is maintained at its carrying capacity, it means that the available resources in the environment are enough to support the population without any increase or decrease in numbers. This state is known as equilibrium, where the population remains stable over time. In this state, the birth rate and death rate are balanced, resulting in a sustainable population that can be maintained over the long term. Therefore, the correct answer is "In equilibrium."

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  • 10. 

    From amongst these, what is an example of bottom-up population regulation?

    • A drought causes grasses to decline, which reduces the number of grasshoppers. In turn, this reduces the number of shrews

    • In a freshwater stream, bass prey on snail darters. The darters hide in rocky shelters, where crayfish prey on them. As a result, the darter population declines.

    • Bald eagle populations decline as a result of bioaccumulation of DDT in their bodies. As a result, the rat population of the region increases.

    Correct Answer
    A. A drought causes grasses to decline, which reduces the number of grasshoppers. In turn, this reduces the number of shrews
    Explanation
    This example demonstrates bottom-up population regulation because it starts with a decrease in the grass population due to a drought. This reduction in grass leads to a decrease in the grasshopper population as they rely on grass for food. Consequently, the decline in grasshoppers results in a decrease in the shrew population as they rely on grasshoppers as their main food source. This sequence of events shows how changes in the lower trophic levels (grasses and grasshoppers) can impact the higher trophic levels (shrews).

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  • 11. 

    Limiting factors do not control carrying capacity.  Ex. Flying squirrels depend on holes in dead trees, local populations are affected if the removal of dead timber reduces the number of holes.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The explanation for the given correct answer is that limiting factors do control carrying capacity. The example provided about flying squirrels depending on holes in dead trees demonstrates how the availability of suitable habitat (in this case, dead trees with holes) can limit the population size of a species. If the removal of dead timber reduces the number of holes, it will directly impact the local populations of flying squirrels, indicating that limiting factors do play a role in determining carrying capacity.

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  • 12. 

    What are food, space, disease, natural disasters, climate, competition, and predation examples of?

    • Capacity Factors

    • Limiting Factors

    • Predation Factors

    • Sustainable Factors

    Correct Answer
    A. Limiting Factors
    Explanation
    Food, space, disease, natural disasters, climate, competition, and predation are examples of limiting factors. Limiting factors are environmental factors that restrict the growth, abundance, or distribution of a population within an ecosystem. These factors can limit the availability of resources, such as food and space, or increase the risk of mortality, as in the case of disease, natural disasters, and predation. They play a crucial role in regulating population sizes and maintaining the balance of ecosystems.

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  • 13. 

    Which factor best explains why the human population has grown so rapidly over the last 1000 years?

    • Humans have decreased their reliance on natural resources.

    • Humans have developed physical characteristics that increase their competitive advantage.

    • Humans have increased the amount of resources available on Earth.

    • Humans have increased the carrying capacity of the biosphere for the population.

    Correct Answer
    A. Humans have increased the carrying capacity of the biosphere for the population.
    Explanation
    The increase in the carrying capacity of the biosphere for the population best explains the rapid growth of the human population over the last 1000 years. Carrying capacity refers to the maximum number of individuals that an environment can sustainably support. Humans have been able to increase the carrying capacity by developing technologies and practices that have allowed them to produce more food, access clean water, and create shelter. This has led to a decrease in mortality rates and an increase in life expectancy, resulting in population growth.

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  • 14. 

    Which species is a keystone species in a kelp forest ecosystem?

    • Kelp

    • Otter

    • Sea Urchin

    • Fish

    • Rock

    Correct Answer
    A. Otter
    Explanation
    Otters are considered a keystone species in a kelp forest ecosystem because they play a crucial role in maintaining the balance of the ecosystem. Otters feed on sea urchins, which are herbivores that graze on kelp. By preying on sea urchins, otters help control their population, preventing them from overgrazing on kelp. This allows the kelp to thrive and provides habitat for a diverse range of species. Thus, otters have a significant impact on the overall health and stability of the kelp forest ecosystem.

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  • 15. 

    Examples of population growth:

    • When an organism comes to a new habitat that has a lot of resources

    • When an animal is predated upon

    • When pressures on a population are removed

    Correct Answer(s)
    A. When an organism comes to a new habitat that has a lot of resources
    A. When pressures on a population are removed
    Explanation
    The given answer correctly identifies two examples of population growth. When an organism comes to a new habitat that has a lot of resources, it can lead to population growth as the organism can thrive and reproduce in the abundance of resources. Similarly, when pressures on a population are removed, such as reduced predation or competition, it can also result in population growth as individuals have a higher chance of survival and reproduction. These two scenarios demonstrate how population growth can occur under favorable conditions and when constraints are lifted.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 12, 2011
    Quiz Created by
    1997love
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