Currently, Two Extant Elephant Species (X and Y)are Placed in the Genus

question 59

Multiple Choice

Currently, two extant elephant species (X and Y) are placed in the genus Loxodonta and a third species (Z) is placed in the genus Elephas. Assuming this classification reflects evolutionary relatedness, which of the following is the most accurate phylogenetic tree?

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Definitions:

Public

Pertaining to or involving the affairs of the community as a whole, often relating to government or public companies accessible to all people.

Semistrong-Form Efficient

A market hypothesis stating that share prices incorporate all publicly available information, making it impossible to consistently achieve higher returns.

Weak-Form Efficient

A market hypothesis suggesting that all past prices of stock are reflected in the current price, hence historical data cannot be used to predict future prices.

Strong-Form Efficient

A hypothesis that states all information, both public and private, is completely accounted for in stock prices, and that no investor can achieve consistently higher returns.