Algae and protozoa in the soil are quite hardy, and therefore their abundance is not a useful indicator of environmental pollution
Indicate whether the statement is true or false
FALSE
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A common type of autoinducer found in gram-negative bacteria are acyl homoserine lactones (AHL).
Answer the following statement true (T) or false (F)
The set of phenotypes expressed by a single genotype across a range of environmental conditions is referred as the norm of ________
Fill in the blank(s) with correct word
Species diversity is often very high in the region between two distinct communities, known as a(n):
a. ecotone. b. secondary successional area. c. primary successional area. d. fundamental niche. e. realized niche.
Which of these is not a common concern about genetically modified food crops?
A) They may have unintended negative effects on surrounding organisms. B) They may cause the evolution of pesticide-resistant crop pests. C) They may cause a reduction of genetic diversity among food crops. D) They may increase the number of human infections by transgenic E. coli. E) They may cause unforeseen allergies in those who consume the genetically modified food.