An organism's range of tolerance is best exemplified by which of the following?
A) The total amount of pollutants experienced by an organism
B) The difference between the amount of sunlight tolerated by an organism and the amount of sunlight available to the organism
C) The difference between the amount of food available and the organism's consumption of that food
D) The span between the minimum and maximum temperature in which an organism flourishes
D
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An organic farmer is Kansas just found out that a neighboring farm is using genetically modified (GM) seeds. Why should he be concerned?
A. The DNA from the GM plants will contaminate his crop. B. The DNA from his plants will contaminate the GM plants. C. His crop will wither and die D. He will only be able to sell his crop to organic buyers.
A soil texture triangle reveals
A) the amount of minerals available to plants. B) how climate influences soil properties. C) soil classes and the amounts of clay, silt, and sand present. D) the strata of soil from the surface downward.
The maximum in daytime surface temperature typically occurs ____________________ Earth receives its most intense solar radiation
Fill in the blank with correct word.
Which of the following is NOT a very long-lived, radioactive isotope? K-40 C-14 Rb-87 U-238
What will be an ideal response?