Which activity is most likely a result of a sudden, unexpected change in the environment? . a. a snake shedding its skin. b. birds migrating to the south. c. the extinction of a type of shrimp. d. bears hibernating.

The diagram shows the results when two parents are crossed. the letters represent alleles for a trait that is controlled by three different genes. which best describes this inheritance pattern? multiple allele because a trait is controlled by three different genes polygenic because the offspring have alleles from both parents multiple allele because the offspring have alleles from both parents polygenic because a trait is controlled by three different genes