Assuming the Arthropod Phylogenetic Relationships Discussed in Chapter 15,which of the Following

question 33

Multiple Choice

Assuming the arthropod phylogenetic relationships discussed in chapter 15,which of the following statements are accurate? Check all that apply.

• A) Biramous appendages of trilobites and crustaceans had separate origins,they are not homologous.
• B) The uniramous appendages of hexapods arose from a bilateral ancestral form.
• C) Chelicerae of arachnids and mandibles of crustaceans are homologous.
• D) An exoskeleton with jointed appendages is unique to the arthropods.The phyla most closely related to the arthropods are characterized by an exoskeleton with non-jointed appendages.
• E)The mandibles of crustaceans and insects are homologous.The mandibles of myriapods may also be homologous to those of crustaceans and insects.
• F)The traditional subphylum names "Crustacea" and "Hexapoda" should be abandoned or redefined.

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Definitions:

Stanford-Binet

An intelligence test that assesses cognitive abilities and IQ, originally developed by Alfred Binet and later revised at Stanford University.

IQ

Stands for Intelligence Quotient, a measure of a person's intellectual abilities in relation to the average performance of a large group of people the same age.

Proficiency

The state of being skilled or competent in a particular activity or field.

Standardization

The process of establishing norms and uniform procedures for administering tests or assessments to ensure fairness, reliability, and validity across different administrations.