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Relationships in Ecosystems

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  • All living things in ecosystems (interact or compete) with other living things
    Interact
  • A bear hunts fish - which animal is the predator?
    The bear
  • Which is home to squirrels, rabbits, owls, wolves, and bears?
    Deciduous forest
  • They are home to plants, algae, turtles, otters, and salmon. They are flowing bodies of water.
    Rivers
  • True or false: Aquatic ecosystems are only freshwater environments
    False
  • A relationship where two or more organisms need the same resources
    Competition
  • This ecosystem can be natural or man-made, water lilies grow here, and ducks and small fish live here
    Pond
  • In competitive relationships, organisms ______ with each other to survive.
    Compete
  • True or false: pollution can only be in air
    False
  • What type of ecosystems are situated on land and surrounded by air.
    Terrestrial ecosystems
  • In which type of relationship do organisms depend on each other to survive?
    Symbiotic relationships
  • This ecosystem is a flat area with grass and a few trees
    Grassland
  • True or false: the biosphere is our largest ecosystem
    True
  • Which is the driest ecosystem?
    Desert
  • When few organisms of a species are left, we call it....
    An endangered species
  • True or false: Saltwater ecosystems are the biggest aquatic ecosystems
    True
  • An owl hunts mice - which animal is the prey?
    The mouse
  • This ecosystem has a hot, humid climate with abundant rain all year round
    Rainforest
  • _____ are large bodies of still water
    Lakes
  • Which is the coldest terrestrial ecosystem?
    Tundra
  • Deforestation, overexploitation and pollution are a threat to species of...
    Plants and animals
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