a
Which of the following statements about the extent of earth’s global ocean is correct?
a
it covers more than twice as much of earth’s surface as land covers.
b
it covers more than three times as much of earth’s surface as land covers.
c
it covers about the same amount of earth’s surface as land covers.
d
it covers about half as much of earth’s surface as land covers.
Answers: 2
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Which of these is not an example of molecular homology? 1. use of dna and rna as genetic material 2.use of glycolysis as the first step in cellular respiration in both plants and animals 3. the lack of an igf-1 gene in prokaryotes 4. the use of aldolase b to break down fructose in bacteria, plants and animals
Answers: 3
Which of the following statements about the extent of earth’s global ocean is correct?
a
a
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