The Fossils of Two Adult Birds Are Found in a Nest

question 79

Multiple Choice

The fossils of two adult birds are found in a nest containing several fossilized eggs. Physically, the bird fossils look very different. What are scientists most likely to use to classify these species?

• A)the biological species concept
• B)the DNA-based species concept
• C)the morphological species concept
• D)the evidence of reproduction concept

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Definitions:

Information Ratio

This ratio measures the excess return of a portfolio over the benchmark's return, relative to the volatility of those excess returns, indicating the portfolio manager's ability to generate consistent excess returns.

Risk-Free Return

The theoretical return on investment with no risk of financial loss, often represented by the yield on government securities.

Sharpe's Measure

A metric used to evaluate the risk-adjusted return of an investment, calculating the excess return per unit of deviation in an investment.

Risk-Free Return

The return on investment that is guaranteed, with no risk of financial loss.