The graph below represents the results of an experiment looking at mate preference in female black widowbirds. The researcher used three groups of male birds: one with artificially shortened tails, one with artificially lengthened tails, and the control group with unaltered tail lengths.
In the natural population of black widowbirds, there is some variation in tail length. Tail length is an inherited trait; the versions of this trait that result in different lengths are called __________.
A) genomes
B) adaptations
C) phenotypes
D) alleles
Correct Answer:
Verified
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