Questions from Ecology


Q: Large darter species produce larger numbers of smaller eggs compared to smaller

Large darter species produce larger numbers of smaller eggs compared to smaller darter species (see figs. 12.3 and 12.4). Consequently, would you expect to find more genetic differences along the leng...

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Q: Why did Johnson create her inocula by mixing sterilized and unsterilized soils

Why did Johnson create her inocula by mixing sterilized and unsterilized soils from the fertilized and unfertilized study areas?

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Q: Why did Johnson’s control consist of a sterilized mixture of soils from

Why did Johnson’s control consist of a sterilized mixture of soils from the fertilized and unfertilized study areas?

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Q: Why do smaller samples result in only part of the bellshaped curve

Why do smaller samples result in only part of the bellshaped curve that is characteristic of the lognormal distribution?

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Q: Distinguish among vapor pressure deficit, osmotic pressure, and water potential

Distinguish among vapor pressure deficit, osmotic pressure, and water potential. How can all three phenomena be expressed in the same units of measure: pascals?

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Q: Why did the massive sampling efforts associated with the moth collections shown

Why did the massive sampling efforts associated with the moth collections shown in figure 16.4 reveal only a portion of the lognormal distribution, while the studies of birds and plants pr...

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Q: In Inouye and Taylor’s study, why wasn’t the comparison of seed

In Inouye and Taylor’s study, why wasn’t the comparison of seed predation on plants naturally with and without ants sufficient to demonstrate the influence of ants on rates of seed predation?

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Q: What are the main advantages of including only strong linkages in a

What are the main advantages of including only strong linkages in a food web?

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Q: What was the primary way by which Tscharntke simplified the food web

What was the primary way by which Tscharntke simplified the food web representing the interactions of blue tits and feeding on insects living on the wetland reed Phragmites australis (see fig.Â&...

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Q: In what other main way did Tscharntke simplify his study of trophic

In what other main way did Tscharntke simplify his study of trophic interactions in the wetland along the Elbe River?

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