Which of the Following Is a Synapomorphy for the Eumetazoans

question 116

Multiple Choice

Which of the following is a synapomorphy for the eumetazoans?

• A) Distinct organ systems
• B) Two embryonic cell layers
• C) Radial symmetry
• D) A blastopore that develops into the mouth
• E) A blastopore that develops into the anus

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Definitions:

Gender Roles

Cultural expectations about what is appropriate behavior for each gender.

Socialization

The acquisition of the norms and roles expected of people in a particular society.

Norms

The unwritten rules that define acceptable behaviors within a society or group.

Sexual Orientation

A person’s preference for emotional and sexual relationships with individuals of the same gender, the other gender, or either gender.