Showing posts with label N3 Ecosystems. Show all posts
Showing posts with label N3 Ecosystems. Show all posts
Ecosystems
HABITATS AND ECOSYSTEMS
Food chain
WATCH THESE VIDEOS ABOUT FOOD CHAINS
Types of ecosystems:
1.
Natural
ecosystems: develop without human intervention. i.e.: oak
forest.
Depending on factors like geographical relief, types
of soil and climate we find:
-
Aquatic:
fresh water as lakes and salt water as oceans.
-
Terrestrial:
the most important factors are light, temperature,
humidity and type of soil. i.e.: deciduous forest.
2.
Humanized
ecosystem: exist because of human intervention. i.e.: cities,
farms…
Changes in ecosystems
Sustainable development
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