Which primary succession event led to the formation of the tundra?

a. large tsunamis
b. glacial retreat
c. volcanic activity
d. the breaking up of Pangaea
e. large earthquakes


ANSWER: b

Biology & Microbiology

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The most abundant type of DNA repeat sequence is called a

A) genome. B) lipidome. C) proteome. D) transposon.

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Which color light is the best for running photosynthesis?

a. Red b. Blue c. White d. Yellow e. Orange

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Which of the following statements is NOT true?

a In asexual reproduction, the parent passes a complete set of genes to its offspring. b. In sexual reproduction, both meiosis and fertilization must occur during the life cycle. c. In sexual reproduction, a human offspring receives two genes for every trait. d. Sexual reproduction puts together new combinations of genes. e. Sexual reproduction produces clones.

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All of the following are means of genetic recombination in prokaryotes EXCEPT

A. transformation. B. transduction. C. crossing over. D. conjugation.

Biology & Microbiology