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Unit 8 Relationship among living things

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    Roles of living things in the environment, Feeding relationships, Energy in an ecosystem, Interdependence among living things
  •   Study   Slideshow
  • What is a herbivore?
    A herbivore is an animal that eats plant material, for example leaves, grass or algae, for the main part of its diet.
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  • What is a producer?
    A plant that uses chlorophyll to trap energy from the sun to make its own food.
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  • What is a carnivore?
    An organism that eats meat / takes its energy and nutrients from a diet of animal tissue.
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  • What is an omnivore?
    An animal that has the ability to eat and survive on both plant and animal matter.
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  • What is a decomposer?
    Decomposers are organisms that break down dead or decaying organisms.
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  • What are scavengers?
    Scavengers are animals that consume dead organisms that have died from causes other than predation.
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  • What is a food chain?
    A food chain shows how plants and animals get their energy.
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  • What do food chains always begin with?
    A producer.
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  • What is a food web?
    A series of (many) food chains linked together.
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  • How is energy lost in an ecosystem?
    The energy may be lost to the surroundings as heat or as animal waste.
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  • How will plants be affected if there are no decomposers on Earth?
    Plants cannot grow well in soil without enough nutrients.
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  • What will happen if there are no decomposers on Earth?
    Dead matter and animal waste will accumulate. The dead matter will not be broken down into simpler substances.
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  • What are the three types of symbiosis?
    Parasitism, Mutualism, Commensalism
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  • What is competition?
    When more than one organism tries to make use of the same limited resource.
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  • What is predation?
    When one animal captures and feeds on another animal.
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  • What are the names of the two types of organisms in predation?
    Predator and prey.
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