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Food chain and web

Quiz by Usiakpo Oghenero

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12 questions
Show answers
  • Q1
    What is a food chain?
    A sequence of organisms in which each organism feeds on the previous one.
    A chain used for cooking
    A chain used to grow plants
    A chain made of actual food items
    30s
  • Q2
    What is a food web?
    A web used to catch insects
    A web made of food items
    A network of interconnected food chains in an ecosystem.
    A web is a food chain that shows all the animals
    30s
  • Q3
    What is an apex predator?
    A predator that is preyed upon by other organisms
    A predator at the top of the food chain that is not preyed upon by any other organism.
    A predator that only eats plants
    A predator that only eats smaller predators
    30s
  • Q4
    What is a decomposer in a food chain?
    An organism that feeds on plants and other animals
    An organism that produces its own food through photosynthesis
    An organism that captures and consumes other organisms for food
    An organism that breaks down dead organic material, returning nutrients to the ecosystem.
    30s
  • Q5
    What is a primary consumer in a food chain?
    An organism that directly feeds on producers (plants) for energy.
    An organism that directly feeds on other primary consumers
    An organism that directly feeds on apex predators
    An organism that directly feeds on decomposers
    30s
  • Q6
    What is a producer in a food chain?
    An organism that decomposes dead organic material
    An organism that relies on other organisms for food
    An organism that produces its own food through photosynthesis.
    An organism that eats other organisms for food
    30s
  • Q7
    What is a secondary consumer in a food chain?
    An organism that directly feeds on sunlight.
    An organism that directly feeds on primary consumers for energy.
    An organism that directly feeds on producers (plants) for energy.
    An organism that directly feeds on decomposers.
    30s
  • Q8
    What is a trophic level in a food chain?
    The number of organisms in a food chain
    The speed at which energy flows through a food chain
    A position of an organism in a food chain, determined by its source of energy.
    The overall length of a food chain
    30s
  • Q9
    Which trophic level usually has the highest energy transfer efficiency?
    Secondary consumers
    Primary consumers
    Tertiary consumers
    Primary producers
    30s
  • Q10
    What is a pyramid of numbers?
    A graphical representation showing the distribution of resources in an ecosystem.
    A graphical representation showing the total mass of organisms at each trophic level in an ecosystem.
    A graphical representation showing the number of organisms at each trophic level in an ecosystem.
    A graphical representation showing the energy flow between trophic levels in an ecosystem.
    30s
  • Q11
    What is the primary source of energy for most ecosystems on Earth?
    Wind
    Sunlight
    Producers
    Geothermal heat
    30s
  • Q12
    What is the main difference between a food chain and a food web?
    A food chain includes only plants and animals, while a food web includes decomposers and detritivores as well.
    A food chain shows the transfer of matter between trophic levels, while a food web shows the transfer of energy.
    A food chain is a diagram, while a food web is a written description of feeding interactions.
    A food chain represents a single, direct pathway of energy flow, while a food web represents interconnected and multiple feeding relationships in an ecosystem.
    30s

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