When a Species Invades a New Habitat and Evolves Rapidly

question 44

Multiple Choice

When a species invades a new habitat and evolves rapidly into several new species to better exploit new resources, what has occurred?

• A) Genetic divergence
• B) Adaptive radiation
• C) Extinction
• D) Polyploidy
• E) Hybridization

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Definitions:

Interest Tax Shield

The reduction in taxable income for individuals or corporations achieved by deducting interest payments on borrowed funds.

M&M Proposition II

A theory proposing that the cost of equity increases as a company increases its leverage, due to the riskier equity stream.

Debt-Equity Ratio

A ratio assessing the comparative financing from equity and debt for a company’s assets.

Cost of Equity

The return a company theoretically pays to its equity investors, conceived as a compensation for taking on the risk of investing.