Question

What is Woese’s argument in favor of using the objective comparison of genes in order to determine diversity?

a. Woese’s method found that microorganisms are the primary controllers of the Earth’s biosphere, driving the geochemical cycles and manipulating the composition of the atmosphere.

b. Woese’s objective method found that Eukaryotes are far more complex and diverse than previously thought, a notion that is supported through the comparisons of the shape and structure of organisms.

What does the universal phylogenetic tree offer that previous models of classification do not?

a. It offers evidence in support of the Prokaryote versus Eukaryote classification system, previously unfounded.

b. It offers an objective measure of diversity.

c. It offers a measure of diversity specific to only microbes.

d. It offers an eye-of-the-beholder approach to classification.

c. Although there are seemingly far fewer named microbial species than Eukaryotic species, Woese’s method has demonstrated that the vertical transmission of genes can be traced back to the progenote, before the first appearance of cells.

d. Although there are far fewer named microbial species than Eukaryotic species, Woese’s method found that 90% of the Earth’s genetic diversity is displayed in microorganisms.

Answer 1

Answer :

Q) correct choice is A

Woese's discovered archea group ans ascertained they are not bacteria. He discovered methanogens. So he explained history of life is in genes based on lower forms of life.

Q)

Correct choice is C

Allforms of life can be traced back to progenotes, even before formation of cell.

All 3 domains arise from common point, than a growing tree.