TLS Online TPP Program

#Question id: 3292


Which of the following is correct observation?

#Unit 11. Evolution and Behavior
  1. Niche partitioning allows for selection of differential patterns of resource usage, which can drive speciation

  2. This narrowing of phenotypes causes a reduction in genetic diversity in a population

  3. Extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype

  4. The phenotypes grade become wide and caused increases the genetic diversity in a population

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TLS Online TPP Program

#Question id: 9606

#Unit 9. Diversity of Life Forms

The correct sequence, from the most to the least comprehensive, of the taxonomic levels listed here is

TLS Online TPP Program

#Question id: 9607

#Unit 9. Diversity of Life Forms

The common housefly belongs to all of the following taxa. Assuming you had access to textbooks or other scientific literature, knowing which of the following should provide you with the most specific information about the common housefly?

TLS Online TPP Program

#Question id: 9608

#Unit 9. Diversity of Life Forms

Darwin analogized the effects of evolution as the above-ground portion of a many-branched tree, with extant species being the tips of the twigs. The common ancestor of two species is most analogous to which anatomical tree part?

TLS Online TPP Program

#Question id: 9609

#Unit 9. Diversity of Life Forms

Dozens of potato varieties exist, differing from each other in potato-tuber size, skin color, flesh color, and shape. One might construct a classification of potatoes based on these morphological traits. Which of these criticisms of such a classification scheme is most likely to come from an adherent of the phylocode method of classification?

TLS Online TPP Program

#Question id: 9610

#Unit 9. Diversity of Life Forms

The term ʺhomoplasyʺ is most applicable to which of these features?

TLS Online TPP Program

#Question id: 9611

#Unit 9. Diversity of Life Forms

If, someday, an archaean cell is discovered whose SSU-rRNA sequence is more similar to that of humans than the sequence of mouse SSU-rRNA is to that of humans, the best explanation for this apparent discrepancy would be