All living things need carbon. How does carbon enter the living portion of an ecosystem?
A) Atmospheric CO2 taken in by photosynthesis
B) Atmospheric CO2 taken in by soil bacteria
C) Elemental carbon taken in by plant roots
D) Elemental carbon taken in by plant leaves
A
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Use the following table to answer the following question(s).Table 1: Cookie parameters with varying fat levels
Data from Pareyt, Bram, Faisal Talhaoui, Greet Kerckhofs, Kristof Brijs, Hans Goesaert, Martine Wevers, and Jan A. Delcour, "The Role of Sugar and Fat in Sugar-Snap Cookies: Structural and Textural Properties." Journal of Food Engineering 90, 3 (Feb. 1, 2009): 400-408.Based on the table above, which of the following statements is not correct?
A. Cookies with the most fat were the cookies that were not only the flattest but also the largest in diameter. B. Cookies with the least fat were not only the heaviest but also the thickest cookies. C. Cookies with the most fat were the cookies that were not only the flattest but also the driest with the least moisture. D. Cookies with the most fat were the cookies that were not only the thickest but also the largest in diameter.
Optimal foraging as a form of efficient behavior would be favored by
A. associative learning. B. operant conditioning. C. energy expended. D. natural selection. E. None of these choices are correct.
Regulation of gene expression can NOT be accomplished by controlling:a
the activity of a protein product. b. the amount of mRNA that is available. c. the rate of translation of mRNA. d. the rate of mRNA degradation. e. the rate of DNA replication
The fusion of two gametes produces a
A. zygote. B. schizont. C. chromatid. D. centromere. E. merozoite.