An Advantage Allowing the Seed Plant to Greatly Surpass the Seedless

question 2

Multiple Choice

An advantage allowing the seed plant to greatly surpass the seedless vascular plants in colonizing the land was the evolution of:

• A)large leaves with great surface area.
• B)fibrous root systems.
• C)air-dispersed sperm in pollen grains.
• D)durable, water-resistant spores.

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Definitions:

Bipolar Disorder

A psychological disorder defined by significant shifts in mood, including periods of intense euphoria (mania or hypomania) and profound sadness (depression).

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Positively charged ions of sodium, essential for the electrical signals in the nervous system and for regulating body fluids.

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response; it affects mood, attention, and other bodily processes.

Calcium Ions

Positively charged atoms of calcium that play essential roles in biological processes such as bone formation, muscle contraction, and blood clotting.