What does the circled part of the phylogenetic tree above indicate?
A) an adaptive radiation
B) a mass extinction event
C) rapid speciation
D) an adaptive radiation and rapid speciation
D
Biology & Microbiology
You might also like to view...
Which pathway(s) are used by eukaryotic microorganisms to fix carbon dioxide?
A. Entner-Doudoroff B. Calvin-Benson cycle C. Reductive tricarboxylic pathway D. None of the choices are correct.
Biology & Microbiology
A reducing medium contains
A. sugars that can be fermented. B. inhibiting agents. C. extra oxygen. D. hemoglobin, vitamins, or other growth factors. E. substances that remove oxygen.
Biology & Microbiology
In glycolysis, a six-carbon glucose molecule is converted to two three-carbon molecules of:
a. pyruvate. b. acetate. c. coenzyme A. d. oxaloacetate. e. citrate.
Biology & Microbiology
Stabilizing selection occurs more often than disruptive selection.
a. true b. false
Biology & Microbiology