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Week #4: Populations & Selection Vocabulary

Quiz by Ashley McIntosh

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26 questions
Show answers
  • Q1
    What is the correct definition of a primary consumer within a food chain?
    An organism that directly feeds on quaternary consumers
    An organism that directly feeds on producers
    An organism that directly feeds on secondary consumers
    An organism that directly feeds on tertiary consumers
    30s
  • Q2
    What is the main principle behind the 10% rule in energy flow within an ecosystem?
    Only 10% of the energy from one trophic level is transferred to the next trophic level
    Only 10% of the energy from one trophic level is consumed by the primary consumer
    Only 10% of the energy from one trophic level is lost as heat
    Only 10% of the energy from one trophic level is converted into biomass
    30s
  • Q3
    What is the role of decomposers in an ecosystem?
    To convert sunlight into energy through photosynthesis
    To break down organic matter and recycle nutrients back into the environment
    To consume secondary consumers for energy
    To serve as primary consumers in the food chain
    30s
  • Q4
    What is a food web?
    A pyramid-shaped diagram representing energy flow
    A complex network of interconnected food chains
    A process of converting sunlight into chemical energy
    A hierarchy of different trophic levels
    30s
  • Q5
    What is an energy pyramid?
    A process of converting chemical energy into heat energy
    A hierarchy of organisms based on their feeding relationships
    A pyramid-shaped diagram representing the flow of energy through different trophic levels
    A diagram illustrating the transfer of nutrients in a food chain
    30s
  • Q6
    Which term describes the maximum number of individuals that a particular environment can support sustainably?
    Population size
    Resource availability
    Predators
    Carrying capacity
    30s
  • Q7
    Which term refers to the physical and non-living factors that influence an ecosystem?
    Abiotic factors
    Population distribution
    Omnivore
    Herbivore
    30s
  • Q8
    Which term describes the process by which a species gradually becomes better suited to its environment over time?
    Adaptation
    Carnivore
    Population
    Conservation
    30s
  • Q9
    What is the term for the total number of individuals of a species in a particular area?
    Habitat
    Limiting factor
    Biotic
    Population size
    30s
  • Q10
    What is the term for the process of protecting and preserving natural resources and ecosystems?
    Population distribution
    Energy availability
    Carcass
    Conservation
    30s
  • Q11
    Which term refers to an organism that feeds on both plants and animals?
    Limiting factor
    Omnivore
    Herbivore
    Population
    30s
  • Q12
    What is the term for the natural home or environment of an organism?
    Conservation
    Population distribution
    Habitat
    Population size
    30s
  • Q13
    Which term refers to animals that primarily feed on other animals?
    Adaptation
    Carnivore
    Omnivore
    Biotic
    30s
  • Q14
    Which process involves the passing of genetic information from parents to offspring?
    Competition
    Inheritance
    Mutation
    Evolution
    30s
  • Q15
    Which process involves the gradual change in the genetic makeup of a population over successive generations?
    Trait
    Competition
    Evolution
    Mutation
    30s

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