Lignin First Appeared in the Ferns and Their Relatives; This

question 74

Multiple Choice

Lignin first appeared in the ferns and their relatives; this adaptation allowed these plants and their descendants to

• A) inhabit arid regions such as deserts.
• B) resist the assault of herbivorous consumers.
• C) tolerate the anoxic soil conditions in the swamp habitats they occupy.
• D) grow upward to better access sunlight.

---

Definitions:

Motor Development

The progressive acquisition of skills involving movement, such as grasping, walking, and coordinated physical activity, typically seen in infants and children as they grow.

Developmental Norms

Standardized milestones that describe the typical sequence and timing of developmental progress in various domains.

Infancy

A developmental period in humans that spans from birth to 18-24 months, characterized by rapid physical, cognitive, and emotional growth.

Menopause

A natural biological process marking the end of a woman's reproductive years, characterized by the cessation of menstrual periods.