In what ways do the processes of reconstructing phylogenetic trees and mapping evolutionary events onto trees generate hypotheses?
What will be an ideal response?
ANS:
Will vary, but could include: a phylogenetic tree is a hypothesis about evolutionary relationships; the order and location of evolutionary events on a tree is a hypothesis of the ways that evolution has unfolded; these hypotheses can be tested when new evidence is discovered.
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Production of sexual spores in ascomycetes occurs in ____
a. basidia b. conidiophores c. sporangia d. asci e. zygospores
The hierarchical system of nomenclature
a. allows diversity to be catalogued. b. organizes knowledge about species relationships. c. permits organisms to be identified. d. sorts organisms into groups. e. includes all of these
Which of the following polypeptide chains would be sequenced from the mRNA code AGG-GAG-CCC?
A. serine - aspartate - proline B. arginine - glutamate - alanine C. serine - leucine - proline D. arginine - glutamate - proline
Bacteria , archaea, and eukarya are the names of domians.
a. true b. false