Exam 6: Major Ecosystems of the World

Discuss the symbiotic relationship that reef building coral have with zooxanthellae. Define coral bleaching and discuss possible causes for this development and the ecological impact of this process.

Which biome is mismatched with the statement that follows it?

How would you argue against the following statement made during the zoning board hearings in your local community? "Deserts are barren, hot and dry wastelands. My proposed housing development, including off-road vehicle recreation areas, will replace this scorching, arid, harsh environment with a revenue-generating complex that will benefit the entire community."

Hot summers and cold winters, topsoil rich in organic material, annual precipitation of 75 to 125 cm (30-50 in), and many hardwood trees are characteristics of the:

The most fundamental attribute that distinguishes aquatic habitats is

Which of the following is not found at the boundary between terrestrial and aquatic ecosystems?

A coastal body of water partly surrounded by land with input from both sea and fresh water is called:

Which of the following can be found in kelp forests?

Tropical rain forests:

The boreal forest is located ______ of the tundra.

In temperate lakes, falling temperatures in autumn may cause a mixing of the water layers called:

National Marine Sanctuaries include

Which of the following is not a biome?

Which of the following does not apply to freshwater wetlands?

Which of the following is not important in determining the distribution of organisms in aquatic biomes?

Wildfires:

Which of the following organisms are representative of the limnetic zone?

Deciduous forests

A relatively distinct terrestrial region characterized by similar temperature and precipitation regardless of where it occurs in the world is called a/an:

Identify five abiotic factors that play a role in determining species composition in aquatic ecosystems. Briefly explain the importance of each to aquatic ecosystems and what role, if any, each factor plays in terrestrial biomes.