Biology, 20.03.2020 04:25 nicollexo21
Female Canvasback ducks build their nests in a specific way that is consistent in all females of the species. Some scientists hypothesize that young female ducklings learn how to build a nest from their mothers. Other scientists hypothesize that nest building is an inherited behavior.
Dr. Frances observes Canvasback ducks in the wild to study whether nest building is a learned or inherited behavior. He observes that Canvasback females often lay eggs in the nest of other duck species as a breeding strategy.
In the population he is studying, one Canvasback female lays her eggs in the nest of a redhead duck, and another Canvasback female lays her eggs in the nest of a wood duck. The Canvasback ducklings that are hatched by other species do not observe their mothers building a nest. Redhead ducks and wood ducks build nests differently than Canvasback ducks. Dr. Frances writes down his observations from this population in the table shown below.
Based on the information in the table, which hypothesis do Dr. Frances' observations support?
A.
Dr. Frances' observations do not provide support for either nest-building hypothesis.
B.
Dr. Frances' observations provide support for both nest-building hypotheses.
C.
Dr. Frances' observations support the hypothesis that nest building is an inherited behavior in Canvasback ducks.
D.
Dr. Frances' observations support the hypothesis that nest building is a learned behavior in Canvasback ducks.
Answers: 2
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