Angiosperms Owe Their Widespread Distribution to Their Production of Pollen,seeds,and

question 24

Multiple Choice

Angiosperms owe their widespread distribution to their production of pollen,seeds,and flowers.What is the greatest advantage to the production of pollen?

• A) It allows fertilization in the absence of water.
• B) It is necessary for sexual reproduction.
• C) It allows fertilization in moist areas.
• D) It promotes pollination.
• E) It protects and nourishes the embryo.

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Definitions:

Hypothalamus

A region of the brain that controls an enormous number of bodily functions, including temperature regulation, thirst, hunger, sleep, and emotional activity.

Subcortical Structure

Regions of the brain located below the cerebral cortex, involved in functions such as movement control, emotional processing, and memory.

Substantia Nigra

A region of the brain that plays an important role in movement, and whose degeneration is a hallmark of Parkinson's disease.

Voluntary Motor Activity

Movement generated intentionally by an individual, typically involving the skeletal muscle system.