Exam 8: Biogeographic Processes

Which of the following environments would have the highest net primary production on average?

Food energy flowing from one organism to another within an ecosystem can be described as _________.

Xerophytes are plants that have a difficult time existing in arid environments.

Which of the following forms of carbon dominates it storage in organic matter?

A deer grazing on grasses and shrubs would be said to occupy which level in a food chain?

Succession that develops an entirely new surface such as a lava flow or deposit of alluvium is referred to as:

The dry weight of organic matter is described as _________.

Which of the following processes does not remove oxygen from the atmosphere?

Which of the following is a consequence of the loss of energy as passes up the levels in a food chain?

Compare and contrast the impact of burning fossil fuels and burning biomass on the cycles of the biosphere.

Which of the following climate types would generally have the highest levels of primary productivity?

Today,plants and animals are becoming extinct at a rapid rate,even before they can be identified by scientists.Outline some of the most important factors responsible for this,and describe the problems that you think may result from these extinctions.

Using an annotated diagram,describe the general operation of the oxygen cycle.Explain the role of photosynthesis and respiration in the cycle.

Which of the following forms of carbon dominates it storage in fossil fuels?

Parasitism an example of which of the following processes?

Using an annotated diagram,describe the general operation of the carbon cycle.Explain the likely impact of the large-scale and long-term burning of fossil fuels.

Describe the stages that you envisage would follow an extensive forest fire.

The use of chemicals in plants to negatively impact the growth of other plants is known as:

Which of the following is not an example of a macronutrient?

Detritus is associated with which of the following processes?