Is cultural transmission a form of phenotypic plasticity?
a. Yes, it causes phenotypic change without corresponding genetic change.
b. Yes, it involves learning.
c. No, phenotypic plasticity is an individual trait and not a population process.
d. No, cultural transmission involves learning, which is not a form of plasticity.
C
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Why would a female song bird choose to mate with a male that has a large song repertoire? Because
A. females tend to select traits that are well developed to judge fitness of a male. B. females judge by feather color and voice of the male. C. a long song allows the female to study the male for any physical defects before mating. D. immature males have a long varied song where older, less fit males will have a short song. E. females only judge fitness by physical appearance, not song repertoire.
Which one of the following statements about endosymbiosis and the origin of the eukaryotic cell is FALSE?
A. Mitochondria are the descendants of purple bacteria. B. The chloroplasts of red and green algae are the descendants of cyanobacteria. C. Algae incorporated prokaryotic cells that became chloroplasts, but never acquired mitochondria. D. Many compartments of the eukaryotic cell are derived from the endomembrane system. E. Ultimately, both the chloroplast and the mitochondria of eukaryotes are descendants of prokaryotic cells.
Complex societies involving a caste system, where individuals are born into a specific role, can be found among which of the following?
A) Amphibians B) Birds C) Reptiles D) Fishes E) Insects
Which of these is the process by which homologues exchange chromosome segments at the beginning of meiosis to increase genetic variability in offspring?
What will be an ideal response?