Many people assume pedigrees are like phylogenies. Which of the following comparisons between pedigrees and phylogenies are true?
a. Both show the splitting and the recombining of branches or lineages over time.
b. A pedigree tells us about the ancestry of individuals, while most phylogenies tell us about the ancestry of populations.
c. Both expand as one looks backward in time.
d. All of the above.
C
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The photosynthetic pigments bacteriorhodopsin and proteorhodopsin are present in ________ and ________, respectively
A) Archaea / Bacteria B) Bacteria / Archaea C) Bacteria / Bacteria D) Bacteria / Eukarya
Chloroplasts are thought to have originated as endosymbiotic associations when aerobic bacteria engulfed
photosynthetic cells. This relationship was favored by the production of ____ by the endosymbiont. a. glucose b. hydrogen ions c. ATP d. oxygen e. water
Which of the following are advantages to Tubifex
worms living in low oxygen environments? a. fewer predators b. no limit to their size c. more reproductive possibilities d. increased asexual reproduction e. none of these
Although Staphylococcus aureus demonstrates optimal growth in an environment of 1% salt, it is able to tolerate up to 13% salt. S. aureus would be described as:
halophilic osmophilic halotolerant hypertoniphilic