gr 10 life sciences environment
TRANSCRIPT
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Grade 10 Life Sciences
Biosphere to Ecosystems: Environment
Source; Biospiritual Permaculturehttp://biospiritualpermaculture.com/page/about
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Ecology
= study of interactions between living things and their interactions with their physical and chemical environment.
Sources: Science. Lots of Lessons - http://science.lotsoflessons.com/ecology.htmlDreamstime - http://www.dreamstime.com/stock-images-ecology-environmental-poster-image7630344
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Levels of organisation
Source: Bio3002 Levels of ecology – www.ux1.eiu.edu
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Producers= produce their own food (photosynthesis)
Consumers= rely on others for their energy and food supply
Ecosystem
HerbivoresCarnivoresScavengerInsectivoresOmnivoresDecomposers
Living = Biotic factors Non-living = Abiotic factors
Non-living part of the ecosystem:TemperatureWindWaterLightSoilSlope
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Source; BIO 7: Lecture 24 Previewwww.csus.edu
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Source; BIO 7: Lecture 24 Previewwww.csus.edu
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An example of interaction between biotic and abiotic factors:Sub-Antarctic Marion Island
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Image credit: www.sanap.ac.za
Prince Edward Islands (Marion Island and Prince Edward Island)
Approximately 1,920 km from Cape Town
Location
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Marion Island Coastal Plains
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Marion Island Interior
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Management zones for human activities on Marion Island