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 Assesment Questions

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Posts : 191
Join date : 2008-09-24

PostSubject: Assesment Questions   03/03/09, 11:32 pm

1. How does an energy pyramid help to describe energy flow in a food web?
2. What is the difference between a biomass pyramid and a pyramid of numbers?
3. How would you draw a pyramid of numbers for a dog with fleas? What shape would the pyramid take?
4. If each level in a food chain typically loses 90% of the energy it takes in, and the producer level uses 1000 kcal of energy, how much of that energy is left after the third trophic level?
5. CONNECTING CONCEPTS- Why is a herbivorous diet more energy efficient than a carnivorous diet? Explain your answer.
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