Question 39 of 40
Which of the following would be expected to lead to fusion of two newly formed species? Select all
A. mating songs changing to sound more similar
B. original separation by a river that subsequently dries up
C. chromosomal abnormality causing one chromosome to break into two for one of the species
D. one species now only mates at night, the other only during the day.
Learning Objective Text: Describe pathways of species evolution in hybrid zones
Question 40 of 40
Natural selection causes heterozygotes to increase in the population. What effect does this have on
Learning Objective Text: Define the Hardy-Weinberg principle and discuss its importance
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