Which is not an example of macroevolution? ( select only one)
a) conserved ancestral features of the modern day coelacanth
b) the mass extinction of the dinosaurs 66 millions years ago
c) the evolution of humans from primates
d) the adaptations of flowering plants driven changes in pollinator behavior
e) the evolution of antibiotic- resistant bacteria

Answer: B) the mass extinction of the dinosaurs 66 millions years ago

Macroevolution is a term used to define changes of whole taxonomic groups over long periods of time. The extinction of the dinosaur is not an example of this evolutionary process. The changes occurred over a relatively short period of time and did not involve changes in a taxonomic group, but rather their extinction.

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.