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Looking Ahead:
Looking Ahead:
Ecosystems are made up of living and non-living elements.
The living things in an ecosystem depend on each other and on non-living elements for survival.
Living and non-living elements interact with each other in many different ways.
The skills of scientific inquiry can be used to investigate the living and non-living elements in a model ecosystem.
Humans are part of ecosystems and affect ecosystems.
Key Vocabulary:
Key Vocabulary:
biotic element
organism
micro-organism
species
population
community
abiotic element
ecosystem
ecology
habitat
nutrient
competition
predator
prey
mutualism
Chapter 4: Text Book Resources
Chapter 4: Text Book Resources
on7sb_096 4.1.pdfWhat is an Ecosystem?
on7sb_100 4.2.pdfThe Needs of Living Things
on7sb_106 4.4.pdfInteractions Among Living Things
on7sb_111 4.5.pdfHow Do Humans Fit Into Ecosystems?
on7sb_116 Chapter 4 Summary.pdfChapter 4 Summary
on7sb_118 Chapter 4 Review.pdfChapter 4 Review
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