The same biologist then takes a sample of acid mine drainage, and finds a new acidophilic archaeon species. Interestingly, these archaeons also require high-salt environments in order to survive. How should this organism be classified?
A. as a euryarchaeote archaeon
B. as a crenarchaeote archaeon
C. as a nanoarchaeote archaeon
D. as a korarchaeote archaeon
E. as a thaumarchaeote archaeon
A
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The side toes of a horse, the pelvis of the whale, and the human appendix are all examples of structures that resemble structures of presumed ancestors, which are known as
A. analogous structures. B. homologous structures. C. vestigial structures. D. homeotic mutations. E. acquired structures.
Flowering is triggered by the production of _________, which triggers the transition of apical meristem to floral meristem
A. meristemogen B. florigen C. auxin D. gibberellin E. ethylene
Briefly state what is meant by repetitive DNA
What will be an ideal response?
Why do soybeans, corn, cotton, and canola dominate the GM crop market?
a. They are inexpensive to produce. b. They are the only GMO crops approved since the Flavr Savr tomato. c. They are exempt from U.S. regulations. d. They are ingredients in processed foods, so they are more easily accepted. e. These crops help to feed and clothe the poor.