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Unit 8 Relationship among living things
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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 competition?
When more than one organism tries to make use of the same limited resource.
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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 do you call the two organisms in a parasitism relationship?
Parasite and host.
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What are the three types of symbiosis?
Parasitism, Mutualism, Commensalism
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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 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 is a food chain?
A food chain shows how plants and animals get their energy.
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What is commensalism?
A relationship between two species where one species benefits while the other neither benefits or is harmed.
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What are the names of the two types of organisms in predation?
Predator and prey.
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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 mutualism?
A relationship between two species in which both of the benefit from each other.
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What is a decomposer?
Decomposers are organisms that break down dead or decaying organisms.
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What the name of the diagram?
A food web.
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What do food chains always begin with?
A producer.
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What is parasitism?
A relationship between two species where one species benefits and the other gets harmed .
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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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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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What the name of the diagram?
A food chain.
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What is a food web?
A series of (many) food chains linked together.
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What is predation?
When one animal captures and feeds on another animal.
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