Where in the United States can each stage of desert landscape evolution be observed?
What will be an ideal response?
The Basin and Range geomorphic province of North America includes southern Oregon, all of Nevada, western Utah, southeastern California, southern Arizona, and southern New Mexico. Here one can see all the features described in question 2.
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Coniferous forests are the dominant vegetation type in the tundra biome
Indicate whether the statement is true or false.
What is plankton?
A) Any photosynthetic organism B) An internal organism C) A drifting organism D) Microscopic organism
Describe several types of adaptations a species might have that would allow it to survive in a dry environment, escape predation, or lower competition with another species
What will be an ideal response?
The toxicity of marine pollutants is evaluated through bioassays by ________
A) calculating the concentration at which 50% of the test organisms die B) determining the length of time that the pollutant remains in the environment C) determining the total biomass of affected organisms in the environment D) estimating the number of trophic transfers in the food web affected by the pollutant E) the EPA