Which of the following is not a transition in information?
a. trial-and-error learning c. epigenetic tagging
b. RNA replaced by DNA d. positional cues in development
A
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What do you expect to be the relationship between population size and number of cultural traits?
A. The larger the population, the larger the number of cultural traits. B. The smaller the population, the larger the number of cultural traits. C. There is no relationship between population size and the number of cultural traits.
Consider the phylogeny (Fig. 34.15) below. The group Dikarya has more species than all other taxa on the tree combined
Using only the information conveyed by the labeled phylogeny below, indicate which one of the following statements is a plausible explanation why this is so. A. The amount of available habitat is greater for members of the Dikarya. B. There hasn't been enough research done on the Chytrids, so there may be many more undescribed species. C. The evolution of hyphae allowed for rapid speciation of four of the five major groups of fungi. D. The Dikaryotic condition provides more genetic variation and opportunities for evolution of new species.
What is the partial pressure of nitrogen if it accounts for 20% of a mixed gas with a total pressure of 1000 mm Hg?
A) 10 mm Hg B) 200 mm Hg C) 20 mm Hg D) 100 mm Hg E) 0 mm Hg
What feature of tumor-causing Rous Sarcoma Virus (RSV) distinguishes it from ancestral Avian Leukosis Virus (ALV)?
a) RSV genome has lost the viral replication genes that ALV has b) RSV has an oncogene that ALV does not c) RSV infection is limited to mammals whereas ALV infects birds d) RSV causes cancer whereas ALV only induces benign tumors