Use the Following to Answer Questions

question 108

Essay

Use the following to answer questions :
A hypothetical group of researchers is conducting a study to investigate whether character displacement is occurring in grasshopper species. This species has a range in which it shares some area with a competitor, while in other areas the competitor is missing. The diagram below shows the results for the three traits that were measured: tibia length, femur length, and mouthpart size. The measurements for the focal species in the absence of the competitor and the focal species in the presence of the competitor are designated A and A´, respectively. Panel B shows the measurements of the competitor.
-How would one test whether the differences that may have arisen due to character displacement are the result of genetic changes or just an environmental response?

---

Definitions:

Sankofa

A word from the Akan language of Ghana that expresses the importance of reaching back to knowledge gained in the past and bringing it into the present in order to make positive progress.

Patrilineal Descent

A system of lineage tracing in which an individual's family membership derives from and is recorded through his or her father's line.

Descent Confers Authority

A principle in certain societies where social status, rights, and leadership roles are determined by one's lineage or family heritage.

Phratry

A social unit or grouping larger than a family but smaller than a tribe, often linked by common descent, marriage, or ritual.