Which of the Following Statements About Craniates Is (Are)correct

question 101

Multiple Choice

Which of the following statements about craniates is (are) correct?
1) Craniates are more highly cephalized than are non-craniates.
2) Craniates' genomic evolution includes duplication of clusters of genes that code for transcription factors.
3) The craniate clade is synonymous with the vertebrate clade.
4) Pharyngeal slits that can assist in gas exchange originated in craniates,
5) The two-chambered heart originated with the early craniates.

• A)1 only
• B)1 and 3
• C)2, 4, and 5
• D)1, 2, 4, and 5
• E)1, 3, 4, and 5

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Definitions:

High Concentration Ratio

An economic measurement indicating that a large portion of market share is controlled by a few firms, often pointing to a lack of competition within an industry.

Competitive

A market structure characterized by a large number of firms or sellers where each has a small proportion of market share and there is free entry and exit from the market.

Output

The total quantity of goods or services produced by an individual, system, or entity within a specific period, often used as a measure of productivity or economic activity.

Oligopolistic Industry

A market structure characterized by few firms where each has significant control over pricing and competition.