Because They Are Morphologically Simple, Psilotophyta (Whisk Ferns) Have Traditionally

question 10

Multiple Choice

Because they are morphologically simple, Psilotophyta (whisk ferns) have traditionally been thought to be a basal group in the radiation of land plants. Molecular phylogenies have challenged this hypothesis and support the alternative hypothesis that they________.

• A) are the sister group to the seed plants
• B) represent a grade rather than a monophyletic group
• C) have lost complex structures in this lineage
• D) represent a lineage that forms a monophyletic group with Lycophyta

---

Definitions:

Unconditional Positive Regard

An attitude of total acceptance and support toward another person, regardless of their actions or feelings.

Self-insight

The understanding and awareness an individual has of their own personality traits, behaviors, and feelings.

Psychodynamic Therapy

A type of depth psychology aimed at uncovering the unconscious aspects of a client's mind to reduce psychic tension.

Group Therapy

Therapy conducted with groups rather than individuals, providing benefits from group interaction.