What is an ecosystem
Living and non living things
Living things
How many parts does an ecosystem have?
One part: biotope
It is made up of two parts: biotope and biocenosis
What is a biotope?
The living things
The place
What is a biocenosis
What are trophic relationships?
Relationships between animals and plants
Relationships between eaters and eaten
How do we classify ecosystems?
What is the biosphere?
The earth
All ecosystems in the earth
Why do ecosystems change?
Natural changes, rain and hurricanes, human activities: pollution, forest fires, deforestation
Human activities: pollution and fires
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