Exam 12: Ecology

Which of the following is not an example of an abiotic factor?

The bird-rhino relationship is an example of ________.

Imagine a hypothetical population of elephants and rabbits in which both species remain at carrying capacity over many generations.Who would have more offspring that survive to be adults and reproduce during their lifetime,a mating pair of elephants or a mating pair of rabbits? Explain your answer.

What can a population's age pyramid tell you about current and future needs?

A sudden natural catastrophe resulting in massive die-offs would be categorized as a density- ________ limiting factor.

The tick-rhino relationship is an example of ________.

The use of multiple forms of pest control including biological,chemical,and the planting of pest-resistant crops is a strategy commonly called ________.

The practice of "eating down the food chain" refers to eating more plant material and less herbivores.Explain how this is a more efficient use of energy.

Which is the dominant greenhouse gas leading to global warming?

Which growth model would you expect to see in a stable population?

While there are many varieties of banana,only the Cavendish is suitable for mass production and worldwide trade.It is currently being decimated by a soil fungus in Asia.If the banana fungus should reach the Americas before a treatment is discovered,it could spell the end of bananas in North American supermarkets.If that were to happen,how would the extinction of the Cavendish banana be categorized?

The bird-tick relationship is an example of ________.

What is the name of the theoretical maximum rate of population growth?

Where is the majority of Earth's biomass produced?

Terrestrial biomes are defined in a large part by ________.

At what level is biodiversity often studied and measured?

The Asian kudzu bug (Megacopta cribaria)arrived in Atlanta in 2009 and is quickly spreading across the South.In addition to eating kudzu,it also eats soybeans and can decimate entire crops.The kudzu bug is a type of ________ species.

Where would a coral reef most likely be found?

Some species require a large and diverse range.Although it may not significantly decrease the overall size of the range,how might fragmenting the range with a freeway or neighborhood lead to the extinction of the entire population,even if sufficient food is available in either region to sustain two smaller populations? Suggest a compromise that would allow the population to survive and allow for the road project or neighborhood.

Describe two ways (immediate and long term)in which burning a forest leads to an increase in atmospheric greenhouse gases.