The soil-forming process that occurs naturally in desert basins and along the coast and is a problem in agricultural areas where irrigation is practiced is
A) calcification.
B) gleization.
C) laterization.
D) salinization.
D
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In the citric acid cycle, malate is oxidized to form
A. fumarate. B. succinate. C. citrate. D. malate. E. oxaloacetate.
Which of the following does NOT relate to cells of
the developing embryo? a. mitosis b. meiosis c. differentiation d. death e. growth
Which of the following is the reason for existence of vestigial structures (useless parts of the body)?
a. They must have functioned in the near past. b. They must have functioned in ancestral organisms. c. They must have functioned in other organisms. d. They must have functioned in similar organisms.
When Robert and John MacArthur investigated the determinants of species diversity for birds, they developed an index of foliage height diversity as a predictive variable. In so doing, which of the following determinants of diversity did they identify as important?
A) productivity B) structural complexity C) climate D) latitude