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More cards in this set
Card 16
Front
What is a trophic level ?
Back
Card 17
Front
Are all producers green plants ?
Back
Card 18
Front
What would happen to a food chain if an organisms population changes ?
Back
Card 19
Front
What do pyramids of biomass show ?
Back
Card 20
Front
Why can pyramids of numbers and pyramids of biomass be different shapes ?
Back
Card 21
Front
What difficulties are there in constructing a pyramid ?
Back
Card 22
Front
How is energy transferred to less useful forms at each stage (trophic level) in the food chain ?
Back
Card 23
Front
Excretory can be be used as the basis for other food chains because ...
Back
Card 24
Front
How does energy effiency explain a pyramid of biomass' shape and why there is a limited length of a food chain ?
Back
Card 25
Front
To calculate energy transfer you use the formula ...
Back
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