Evolution Has Provided Enormous Diversity in the Number of Vertebrae

question 1

Multiple Choice

Evolution has provided enormous diversity in the number of vertebrae among vertebrate species.Vertebrae are differentiated during embryonic development by

• A)the pattern of homeotic gene expression.
• B)hormone induction.
• C)the length of the backbone.
• D)the degree of structural support needed.

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Definitions:

Gender Identity

A person's own perception of their gender identity, which might not align with their birth-assigned sex.

Biological Sex

The physical and physiological characteristics that define male and female organisms.

Gender Norm

Socially constructed roles, behaviors, activities, and attributes that a given society considers appropriate for men and women.

Gender Stereotype

Preconceived notions and beliefs about the roles, behaviors, and attributes that society considers appropriate for men and women.