Answers: 3
Biology, 22.06.2019 02:00, badpotterchris
How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
Answers: 1
Biology, 22.06.2019 09:30, katiebotts18
The âecological footprintâ left by a citizen of a developed nation is about four times larger than that left by a citizen of a developing nation. why is this the case?
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Biology, 22.06.2019 13:00, superbatman9193
Which level of taxonomy has the fewest organisms?
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Biology, 22.06.2019 17:30, dorsonchang6511
High blood pressure occurs when there is too much blood flowing through the blood vessels at one time. by changing the amount of water in the blood, blood pressure can change. the excretory system can to lower blood pressure. which would most likely occur in the kidney? a)more water would be transferred from the nephron. b)less water would be absorbed into the nephron. c)the amount of water in the bladder would decrease. d)the amount of water in the blood would increase.
Answers: 2
Is the penguin a bird?? please help
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