The Megaphyll Found in Ferns and Seed Plants Is Thought

question 10

Multiple Choice

The megaphyll found in ferns and seed plants is thought to have evolved

• A) from sterile sporangia.
• B) by the process of mitosis of microphylls.
• C) by the process of heterospory.
• D) as a result of branch flattening and overtopping growth.
• E) spontaneously in multiple lineages.

---

Definitions:

Panic Disorder

A psychiatric disorder characterized by sudden and repeated episodes of intense fear accompanied by physical symptoms that may include chest pain, heart palpitations, shortness of breath, dizziness, or abdominal distress.

Conversion Reaction

A type of psychological disorder where emotional distress or unconscious conflict is expressed through physical symptoms, without an organic cause.

Compulsive Disorder

A mental health condition where individuals feel compelled to perform certain behaviors or rituals repeatedly, often as an attempt to manage anxiety.

Dissociative Neurosis

A psychological disorder characterized by a disconnection or separation of perception, identity, or memory.