UNIT5:Ecosystems
Nuria Sánchez Parra5º, CEIP García Bellido
OUTLINE
• Ecosystems -Physycal environment - Living things• Nutrion in ecosystems - Types of living things -Food chains• Benficial and harmfull relationships
Water around Antarctica…
VIDEO video 2
Ecosystems• An ecosystem consists of all the organisms
living in one place, as well as the physical environment they live in.
Ecosystems
Consist of
PhysicalEnvironment(non-living things)
Living things
Terrestrial
Aquatic
Fauna (animals)
Flora (plants)
Can be
VIDEO
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
• Video 1• Video 2
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
Mutualism
Commensalism
Parasitism
• Video 1• Video 2
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