At any given time, a 4-acre field contains an average of 200 kg dry weight of mallow plants. For these calculations, assume that the food chain shown below is isolated and that there are no other predators or sources of food involved. mallow plant > painted lady butterfly > phoebe > fox

Assume that the dry weight of each animal is on average as indicated below:
painted lady butterfly: 0.1 g
phoebe: 4 g
fox: 1 kg

Assuming that 10% of the biomass, as measured in dry weight, is transferred from one trophic level to the next higher level, calculate how many foxes the field could support at any given time. Show your work and include in your calculations how many phoebes and painted lady butterflies the field could support.

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1. which of the following factors would cause demand-pull inflation? a. serious crop failure b. significant decrease in the supply of oil c. increase in the money supply d. increase in the cost of raw materials for firms e. reduction in imports allowed into the country

When you are driving slowly in the freeway fast lane, blocking traffic which wishes to pass you should