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Ecosystems

Quiz by Zhao

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42 questions
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  • Q1
    What is chemosynthesis?
    A process where chemical energy is converted into organic compounds
    A method of reducing carbon emissions
    A chemical reaction that produces light
    A type of photosynthesis
    30s
  • Q2
    Which organisms are known as primary producers?
    Carnivores
    Scavengers
    Autotrophs
    Herbivores
    30s
  • Q3
    What is the main role of primary producers in an ecosystem?
    To decompose waste material
    To consume organic matter
    To produce energy-rich compounds
    To regulate climate
    30s
  • Q4
    How do consumers obtain their energy?
    By consuming other organisms
    By photosynthesis
    By absorbing minerals from soil
    Through chemosynthesis
    30s
  • Q5
    What is the main source of energy for life on Earth?
    Sunlight
    Geothermal heat
    Chemical bonds
    Wind energy
    30s
  • Q6
    How do hydrothermal vent communities obtain energy?
    By harnessing chemical energy from inorganic molecules
    By eating plants
    From volcanic lava
    Through sunlight
    30s
  • Q7
    What is the function of decomposers in an ecosystem?
    To produce oxygen
    To consume other animals
    To break down dead material and recycle nutrients
    To pollinate plants
    30s
  • Q8
    Which type of bacteria is crucial for nitrogen fixation?
    Cyanobacteria
    Helicobacter pylori
    E. coli
    Lactobacillus
    30s
  • Q9
    How does denitrification contribute to the nitrogen cycle?
    By converting ammonia into usable forms
    By fixing atmospheric nitrogen into ammonia
    By converting nitrates into nitrogen gas
    By releasing oxygen into the atmosphere
    30s
  • Q10
    What causes algal blooms?
    High oxygen levels
    Low nutrient levels
    Cold temperatures
    Excessive nutrients in water bodies
    30s
  • Q11
    What is the primary function of roots in plants?
    To produce flowers
    To capture sunlight
    To release oxygen
    To absorb water and nutrients
    30s
  • Q12
    What do carnivores primarily eat?
    Detritus
    Fungi
    Animals
    Plants
    30s
  • Q13
    How do scavengers differ from predators?
    They feed on dead organisms
    They hunt live prey
    They only eat plants
    They break down chemicals
    30s
  • Q14
    What role do heterotrophs play in an ecosystem?
    They capture solar energy
    They obtain energy by consuming other organisms
    They produce organic material
    They decompose organic matter
    30s
  • Q15
    In which environment would you expect to find chemosynthetic bacteria?
    Deserts
    Deep ocean vents
    Tropical rainforests
    Temperate forests
    30s

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