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Ecosystem Stability

Quiz by Jennipher Crowley

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30 questions
Show answers
  • Q1
    What is the primary source of energy for ecosystems?
    Geothermal heat
    The Moon
    Wind
    The Sun
    30s
  • Q2
    What term describes the variety of genes within a population?
    Genetic diversity
    Biodiversity index
    Species diversity
    Ecosystem diversity
    30s
  • Q3
    Which process occurs in lifeless areas without soil?
    Secondary succession
    Aquatic succession
    Ecological succession
    Primary succession
    30s
  • Q4
    What causes eutrophication in aquatic environments?
    Nutrient loading from runoff
    Overfishing
    Invasive species
    Water temperature increases
    30s
  • Q5
    What does a high biodiversity index indicate?
    Low resilience
    Low species variety
    Depleted ecosystems
    High biodiversity
    30s
  • Q6
    What happens to energy flow when a natural disaster occurs?
    It increases
    It stays constant
    It can be disrupted
    It becomes more efficient
    30s
  • Q7
    What is a climax community?
    A community undergoing rapid change
    A stable community that undergoes little change
    A community with low species diversity
    An initial colonizing community
    30s
  • Q8
    What role do pioneer species play in ecological succession?
    They provide food for herbivores
    They dominate the ecosystem
    They deplete soil nutrients
    They prepare the environment for other species
    30s
  • Q9
    How do nonnative species affect ecosystems?
    They have no impact
    They increase genetic diversity
    They enhance biodiversity
    They can outcompete native species for resources
    30s
  • Q10
    What are ecosystem services?
    Pollution control measures
    Benefits provided by healthy ecosystems
    Products from factories
    Financial investments
    30s
  • Q11
    What primarily sources energy for all life on Earth?
    Wind
    The Sun
    Soil
    Water
    30s
  • Q12
    What is ecological succession?
    The migration of species
    The sudden extinction of species
    The gradual process of change in an ecological community
    The immediate destruction of habitats
    30s
  • Q13
    Which type of succession occurs in lifeless areas without soil?
    Secondary succession
    Terrestrial succession
    Climatic succession
    Primary succession
    30s
  • Q14
    What is the role of pioneer species?
    To create conditions for other plants to thrive
    To compete with all species
    To consume solar energy
    To dominate the ecosystem
    30s
  • Q15
    What is a climax community?
    An area of constant mutation
    A community that never stabilizes
    A stable community that experiences little change over time
    A community that always remains the same
    30s

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