Study

Biodiversity and ecosystems

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  • What are the two types of components Ecosystems have?
    Abiotic and Biotic
  • Give one type of feeding relationships in the ecosystem.
    producers, consumers and decomposers
  • _____________ adaptations are actions that organisms carry out that benefit them in some way
    behavioural
  • Give an example of a resource that biodiversity provides.
    food, medicine, raw materials, sites for leisure activities and energy
  • ____________ is a interspecific relationship where an organism captures and kills another prey food.
    predation
  • _____________ are organisms, such as algae or plants, that can produce their own food.
    producers
  • True or False. The loss of a single species can alter the balance of an ecosystem.
    TRUE
  • The collection of individuals of a same species that live in a biotope is called a ____________.
    population
  • ___________ is the variety of species that live or have lived on Earth.
    Biodiversity
  • __________ is the adjustment of living organisms to the conditions of the environment in which they live
    Adaptation
  • ___________ of a species occurs when the last individual of that species dies.
    extinction
  • What type of ecosystem has a biotope covered by water and is determined by the dynamics of the water and its salinity?
    Aquatic
  • ___________ adaptations are the physical characteristics of living things that enable them to carry out a specific activity.
    structural
  • ___________ are organisms that eat other living things
    consumers
  • biotope + biocoensis + ___________ = an ecosytem
    relationships
  • Give an example of a cause of the loss of biodiversity.
    overhunting, overharvesting, overfishing and excessive logging
  • As long as there are no sudden, unusual changes to the ecosystem, it maintains this ____________-.
    balance
  • _________ are organisms that obtain their nutrients by decomposing dead organisms (example: bacteria and fungi)
    decomposers
  • What type of ecosystem has a biotope that is not covered by water?
    Terrestrial
  • ____________ components are the physical environment and physical and chemical characteristcs.
    Abiotic
  • Light, _______ and temperature are some of the main ABIOTIC components that have an impact on the biology of living things
    water
  • Our excessive use and poor management of natural resources are causing a ________ of biodiversity in many regions of the Earth.
    loss
  • ___________ is a interspecific relationship where one species lives off another (the host). One organism profits while the other is harmed.
    Parasitism.
  • ____________ components are living things in every ecosystem.
    Biotic