Biology, 04.07.2019 20:30, cuddleslugsovifat
Answer. e. coli is a species of bacteria that causes many different infections in humans. certain e. coli strains have developed resistance to antibiotics, making infections with these strains difficult to treat. how do bacteria such as e. coli, which reproduce asexually, gain new traits such as antibiotic resistance? a. by undergoing spontaneous mutations when they replicate, which increases genetic variation in a population b. by mutating their dna in response to environmental conditions to gain beneficial traits c. by adapting to changes in environmental conditions without undergoing changes in their dna d. by producing offspring with new gene assortments from genetic recombination, which increases diversity in a population
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Biology, 21.06.2019 20:00, rydro6019
Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated. 1. sporophyte dominance, gametophyte independence 2. sporophyte dominance, gametophyte dependence 3. gametophyte dominance, sporophyte dependence a) 1 β 2 β 3 b) 2 β 3 β 1 c) 2 β 1 β 3 d) 3 β 2 β 1 e) 3 β 1 β 2
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Biology, 22.06.2019 11:00, desscraft30
Which of the following are not included as modern mammals that evolved during the eocene epoch? primates artiodactyls perissodactyls none of the above
Answers: 1
Answer. e. coli is a species of bacteria that causes many different infections in huma...
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