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Unit 3: ECOSYSTEMS

PRESENTATION
PPT
PDF

Session 1: Characteristics and components of an ecosystem

Session 2: Interaction between living things. Feeding relationships

Session 3: Interaction between living things. Association relationships and extinction of species.

Session 4: Terrestrial ecosystems

Session 5: Aquatic ecosystems

ACTIVITIES

Endangered species

Ecosystems' map

VIDEO TIME

Food chains and food webs

Association: Mutualism, commensalism, parasitism.

Association: Interspecific and infraspecific interactions

Unidades formativas, contenidos y estándares del SEGUNDO

 trimestre. 

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