How Might Secondary Contact Result in a Cline

question 8

Multiple Choice

How might secondary contact result in a cline?

• A) Reproductive character displacement completes the speciation process.
• B) Hybrid matings may have low fitness.
• C) Reproductive isolation is partially complete and a spatial gradient of hybrids forms.
• D) Reproductive isolation is incomplete and the two populations form a single species without spatial variation.

---

Definitions:

Beta

A measure of a stock's volatility in relation to the overall market, indicating the level of risk associated with investing in the stock.

Residual Standard Deviation

A statistical measure that quantifies the amount by which an investment's returns deviate from its expected benchmark performance.

Treynor Measure

A performance metric for determining how well an investment portfolio or fund has performed on a risk-adjusted basis, using beta as the risk measure.