The Average Price of Pineapples Fell from $5 to $4

question 354

Multiple Choice

The average price of pineapples fell from $5 to $4, and the quantity supplied decreased from 1 million to 900,000 units. Using the base method, the price elasticity of supply is

• A) 2.
• B) 0.5.
• C) -0.5.
• D) 0.47.

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Definitions:

RNA

RNA, a vital nucleic acid found in every living cell, functions as a courier, delivering directions from DNA to regulate protein synthesis.

Evolutionary Systematics

An approach to classification that considers both evolutionary relationships and the extent of divergence that has occurred since a group branched from an ancestral group. Compare with cladistics and phenetics.

Phylogenetic Tree

A branching diagram that shows lines of descent among a group of related species.

Ancestral Characters

See shared ancestral characters.