Questions from Ecology


Q: How do classical approaches to genetic studies, such as common garden

How do classical approaches to genetic studies, such as common garden experiments, and modern molecular techniques, such as DNA sequencing, complement each other? What are the advantages and disadvant...

See Answer

Q: How might oxygen concentration of interstitial water be related to the grain

How might oxygen concentration of interstitial water be related to the grain size of the sand or mud sediment? How might the oxygen concentrations of tide pools in sheltered bays compare to those on t...

See Answer

Q: According to the river continuum model, the organisms inhabiting headwater streams

According to the river continuum model, the organisms inhabiting headwater streams in temperate forest regions depend mainly upon organic material coming into the stream from the surrounding forests....

See Answer

Q: How could you test the generalization that lake primary production and the

How could you test the generalization that lake primary production and the composition of the biota living in lakes are strongly influenced by the availability of nutrients such as nitrogen and phosph...

See Answer

Q: Biological interactions may also affect lake systems. How does the recent

Biological interactions may also affect lake systems. How does the recent history of the Great Lakes suggest that the kinds of species that inhabit a lake influence the nature of the lake environment...

See Answer

Q: Daniel Janzen (1981a, 1981b) proposed that the seeds of

Daniel Janzen (1981a, 1981b) proposed that the seeds of the Guanacaste tree were once dispersed by several species of large mammals that became extinct following the end of the Pleistocene about 10,00...

See Answer

Q: Draw a typical soil profile, indicating the principal layers, or

Draw a typical soil profile, indicating the principal layers, or horizons. Describe the characteristics of each layer.

See Answer

Q: Describe global patterns of atmospheric heating and circulation. What mechanisms produce

Describe global patterns of atmospheric heating and circulation. What mechanisms produce high precipitation in the tropics? What mechanisms produce high precipitation at temperate latitudes? What mech...

See Answer

Q: Use what you know about atmospheric circulation and seasonal changes in the

Use what you know about atmospheric circulation and seasonal changes in the sun’s orientation to earth to explain the highly seasonal rainfall in the tropical dry forest and tropical savanna biomes....

See Answer

Q: We focused much of our discussion of biomes on their latitudinal distribution

We focused much of our discussion of biomes on their latitudinal distribution. The reasonably predictable relationship among latitude and temperature and precipitation provides a link between latitude...

See Answer