Study

ecosystems

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  • What are decomposers?
    Living things that break down the remains of dead organisms. They are fungi and bacteria.
  • What are primary consumers?
    Animals that feed on plants. They are herbivores.
  • Catch too many fish from the sea or ocean.
    Overfishing.
  • Say 4 types of aquatic ecosystems.
    River, lake, ocean, sea, wetlands.
  • What are interspecific relationships?
    Relationships between members of different species.
  • What are secondary consumers?
    Animals that feed on primary consumers. They are carnivores.
  • Is nutrition an example of intraspecific or interspecific relationship?
    Interspecific relationship.
  • What do you call all the different food chains in an ecosystem?
    Food web.
  • What are the two types of relationships between organisms in an ecosystem?
    Intraspecific and interspecific relationships.
  • What are the 5 trophic groups?
    Producers, primary consumers, secondary consumers, tertiary consumers and decomposers.
  • What is a population?
    A group of organisms of the same species that live together in one place.
  • What are intraspecific relationships?
    Relationships between individuals of the same species.
  • Say 3 things that we can do to help protect the environment.
    Saving water, saving energy, recycling, respecting nature...
  • What are the two elements of an ecosystem?
    Biotope and biocenosis
  • Cut down too many trees.
    Deforestation.
  • Say 4 types of artificial ecosystems.
    City, town, village, farm, reservoir.
  • What are producers?
    Living things that make their own food. They are plants.
  • What is a community?
    A collection of different populations that live together in one place.
  • Contamination of the air.
    Pollution
  • Is reproduction a type of intraspecific or interspecific relationship?
    Intraspecific relationship.
  • What is an ecosystem?
    An ecosystem includes all the living things and non-living things in a place.
  • What is the biocoenosis of an ecosystem?
    The living things in an ecosystem: animals, plants, fungi, protoctista and monera.
  • What are artificial ecosystems?
    Ecosystems modified by human activity.
  • What is the biotope of an ecosystem?
    The non-living things of an ecosystem: air, water, soil, relief, light and temperature.
  • Say 5 types of terrestrial ecosystems
    forest or woodlands, coast, tundra, grassland, savannah, rainforest, desert.
  • What are tertiary consumers?
    Animals that feed on secondary consumers. They are carnivores.
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