According to the Phylogeny in the Figure, Which of the Following

question 33

Multiple Choice

According to the phylogeny in the figure, which of the following statements is true?

• A) All chordates have a neural tube.
• B) Cephalochordates have a neural crest.
• C) Echinoderms have a neural tube.
• D) All chordates have a neural crest.

---

Definitions:

Dream Interpretation

The analysis of the hidden meaning or significance of dreams, often used in psychotherapy and psychoanalysis.

Psychosexual Development

A Freudian theory that describes how personality develops during childhood through a series of stages focused on erogenous zones.

Fixation

An obsessive focus or attachment to a particular stage of development, object, or activity, often resulting in stagnation in psychological growth.

Unconscious

Part of the mind that is inaccessible to the conscious mind but that affects behaviors and emotions.