The size of an organism determines its domain
Indicate whether this statement is true or false.
FALSE
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The light-independent reactions of photosynthesis are those that
A. convert glucose into energy. B. convert chlorophylls into light energy. C. convert water into hydrogen and oxygen. D. convert CO2 into reduced molecules (sugars). E. occur only at night.
Refer to the paragraph on dark-eyed junco birds. The UCSD campus male junco population tails are about 36% white, whereas the tails of males from nearby mountain populations are about 40-45% white
The founding stock of UCSD birds was likely from the nearby mountain populations because some of those birds overwinter on the UCSD campus each year. Population sizes on the UCSD campus have been reasonably large, and there are significant habitat differences between the UCSD campus and the mountain coniferous forests; UCSD campus has a more open environment (making birds more visible) and a lower junco density (decreasing intraspecific competition) than that in the mountain forests. Given this information, which of the following evolutionary mechanisms do you think is most likely responsible for the difference between the UCSD and mountain populations? A) natural selection B) genetic drift C) gene flow D) mutation
The conservation of Hox genes across different phyla implies that they play a role in:
a. late development. c. early development. b. middle development. d. early flower evolution.
How do the haploid and diploid phases of the plant life cycle differ from those of the animal life cycle?
a. In plants, the diploid phase dominates the life cycle, while in animals the haploid phase dominates the life cycle. b. In plants, mitosis occurs only during the haploid phase while in animals mitosis occurs only during the diploid phase. c. In plants, mitosis occurs only during the diploid phase, while in animals mitosis occurs only during the haploid phase. d. In plants, mitosis occurs during both the haploid and diploid phases, while in animals mitosis occurs only during the diploid phase. e. In plants, meiosis occurs during the haploid phase, while in animals meiosis occurs during the diploid phase.