Multiple Choice
The sunflower species Helianthus anomalus is thought to have been formed by hybridization between the sunflower species H.petiolaris and H.annuus because it contains a set of chromosomes from both parental species.H.anomalus is most likely an example of instantaneous speciation through
A) allopolyploidy.
B) autopolyploidy.
C) parthenogenesis.
D) hybrid sterility.
Correct Answer:

Verified
Correct Answer:
Verified
Q14: The model that assumes that evolution proceeds
Q15: The _ definition of species says that
Q16: Which is an example of temporal isolation?<br>A)one
Q17: Which isolating mechanism is postzygotic?<br>A)hybrid sterility<br>B)behavioral isolation<br>C)ecological
Q18: Studies of snapping shrimp on either side
Q20: If species are competing for the same
Q21: Scientists observed that marine bryozoan fossils lack
Q22: The type of speciation that results in
Q23: Two species regularly come into contact and
Q24: The process by which related species become