unit 5 ecosystems
TRANSCRIPT
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UNIT5:Ecosystems
Nuria Sánchez Parra5º, CEIP García Bellido
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OUTLINE
• Ecosystems -Physycal environment - Living things• Nutrion in ecosystems - Types of living things -Food chains• Benficial and harmfull relationships
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Water around Antarctica…
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VIDEO video 2
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Ecosystems• An ecosystem consists of all the organisms
living in one place, as well as the physical environment they live in.
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Ecosystems
Consist of
PhysicalEnvironment(non-living things)
Living things
Terrestrial
Aquatic
Fauna (animals)
Flora (plants)
Can be
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VIDEO
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How living things feed on other living things
Food chain
• Producer (make their own food): plants
• Primary consumers (herbivores): rabbits
• Secondary consumers (carnivores): foxes
• Tertiary consumers (carnivores) : eagles
Are eaten by
Are eaten by
Are eaten by
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• Video 1• Video 2
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Benficial and harmful
relationship
Commensalism : one specie beneficts and other remains unaffected
Parasitism: one specie beneficts and other suffers
Competition: two species have the same needs
Mutualism : two species benefict
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Mutualism
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Commensalism
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Parasitism
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• Video 1• Video 2