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VCE Biology Unit 2 Ecosystems. Your Challenge (Final SAC – Yahoo!) Create an interactive power point presentation or Create an interactive poster (e.g.

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Presentation on theme: "VCE Biology Unit 2 Ecosystems. Your Challenge (Final SAC – Yahoo!) Create an interactive power point presentation or Create an interactive poster (e.g."— Presentation transcript:

1 VCE Biology Unit 2 Ecosystems

2 Your Challenge (Final SAC – Yahoo!) Create an interactive power point presentation or Create an interactive poster (e.g lift the flap, pull outs, pop up etc.,) Which illustrate/explain your understanding of ALL the following concepts on a single page which link to other pages/ illustrations/text Use images / labelling/ text / hyper linking These concepts will all appear on the exam so consider this a useful revision exercise and tool!

3 The concepts Ecosystem Trophic levels Relationships Communities Cycles Adaptations VERY useful general web links

4 Ecosystem Habitat Ecological niche Competition Abiotic factors Biotic factors Bioaccumulation Bioaccumulation and some examples

5 Trophic levels Heterotrophs Autotrophs Carnivore Omnivore Herbivore Decomposers Producer First order consumer (Primary Consumer) Second Order consumer (Secondary Consumer) Third order consumer (Tertiary Consumer)

6 Relationships Symbiosis Mutualism Commensalism Parasitism Host Predator / prey Food chain Food chain and energy transfer Food Web Energy transfer and loss

7 Communities Population Population dynamics Succession Carrying capacity Pyramid of biomass Pyramid of numbers

8 Cycles Organic matter cycle Nitrogen Cycle Carbon Cycle Nitrogen Cycle

9 Carbon Cycle How does this work? Why is the concentration of CO2 in our atmosphere increasing?Why is the concentration of CO2 in our atmosphere increasing?

10 Adaptations Explain how a reproductive strategy can increase the chance of survival of an organism and this in turn can impact on an ecosystem Explain how a behavioural adaptation of one of your organisms increases its chance of survival in your ecosystem Explain how a structural adaptation of one of your chosen organisms can increase the chance of survival of an organism and this in turn can impact on an ecosystem Links – Plant adaptations/structuresPlant adaptations/structures

11 Nitrogen Cycle What is it? Why do plants need nitrogen? Why is nitrogen important?

12 Useful general web links http://www.reec.nsw.edu.au/geo/scirrg/scrr g1.htmhttp://www.reec.nsw.edu.au/geo/scirrg/scrr g1.htm http://www.roomd113.com/TAKS%20NOT ES/Objective%203%20Ecosystem%20and %20Interaction.pdfhttp://www.roomd113.com/TAKS%20NOT ES/Objective%203%20Ecosystem%20and %20Interaction.pdf http://www.etap.org/demo/biology_files/les son6/instruction6tutor.htmlhttp://www.etap.org/demo/biology_files/les son6/instruction6tutor.html

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