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 transcript:

VCE Biology Unit 2 Ecosystems

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!

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

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

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

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

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

Cycles Organic matter cycle Nitrogen Cycle Carbon Cycle Nitrogen Cycle

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?

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

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

Useful general web links g1.htmhttp:// g1.htm ES/Objective%203%20Ecosystem%20and %20Interaction.pdfhttp:// ES/Objective%203%20Ecosystem%20and %20Interaction.pdf son6/instruction6tutor.htmlhttp:// son6/instruction6tutor.html

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