The Y-5 Pattern of Hominids Refers to

question 8

Multiple Choice

The Y-5 pattern of hominids refers to

• A) expanded cerebral cortex capacity.
• B) lower cuspids have five cusps with a Y shaped groove.
• C) bipedalism.
• D) all of the above

---

Definitions:

2-butanol

An organic compound, also known as sec-butanol, which is a type of alcohol with four carbon atoms and a secondary hydroxyl group.

3-butanol

An organic compound, also known as butyl alcohol, with the formula C4H10O, used as a solvent and in the manufacture of other chemicals.

2-pentanol

An organic compound, a type of alcohol with the alcohol functional group located on the second carbon of a five-carbon chain.

Cyclobutanol

A type of organic compound characterized by a four-membered ring structure with a hydroxyl group (-OH) attached, making it an alcohol.