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Card 6
Front
Explain how the abiotic factor oxygen availability may affect an ecosystem.
Back
Card 7
Front
Explain how the abiotic factor edaphic (soil) factors may affect an ecosystem. What are the 3 types of soil particle and what is their composition.
Back
Card 8
Front
What is the ultimate source of energy?
Back
Card 9
Front
Why is the sun the ultimate source if energy?
Back
Card 10
Front
What is each stage in a food chain referred to as? What are the first 4 of these? What in this chain break down dead organism and recycle's nutrients?
Back
Card 11
Front
Why is there rarely more than 5 trophic levels?
Back
Card 12
Front
What is biomass? Why is it important in food chains and how do we know this?
Back
Card 13
Front
How do you know how much biomass is present in an organism? How do you calculate biomass at a trophic level?
Back
Card 14
Front
What is biomass measured in (land and water)?
Back
Card 15
Front
What is energy at each trophic level measured in? What is the reason for it being given this long a period?
Back
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