Microenvironments of soil exist where ________ concentrations greatly vary
A) oxygen
B) nitrate
C) sulfur
D) oxygen, nitrate, and sulfur
Answer: D
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You would expect water derived from the synthesis of ATP to be especially important for
A. small desert dwelling animals. B. rain forest amphibians. C. arctic mammals. D. sea birds. E. marine mammals.
Which is not a potential problem of allowing the genomic sequences of individuals to become widely available?
A) Discrimination by insurance companies. B) Misinterpretation of the information. C) Misuse of the information for social purposes. D) Advances leading to healthier lives for some people.
The relatively high percentage of individuals in West Africa who are heterozygous for the sickle cell
trait is an example of _______________. A. natural selection D. heterozygote disadvantage B. genetic drift E. more than one of these C. spontaneous mutational spread
Select the plant behavior that arises from internal stimuli.
A. thigmotropism B. phototropism C. nondevelopmental formation of aerenchyma D. cytokinins promoting cell division