Which of the Following Statements Is True About a Modern

question 18

Multiple Choice

Which of the following statements is true about a modern phylogeny of life's history?

• A)There are multiple independent origins of the distinct life forms: bacteria,plants,etc.
• B)It is only based on living organisms since the reproductive isolation of extinct species cannot be determined
• C)All forms of life including extinct branches are related
• D)Genealogies can only be traced for groups where the primordial ancestor has survived

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Definitions:

Limbic System

A complex system of nerves and networks in the brain, involved with instinct and mood, controlling basic emotions and drives.

Endocrine System

A network of glands in the body that produce and release hormones directly into the bloodstream to regulate body functions.

Hypothalamus

A brain region acting as a crucial center for regulating temperature, hunger, thirst, and other critical physiological processes.

Split Brain

A condition resulting from surgery that involves severing the corpus callosum, leading to disruptions in communication between the right and left hemispheres of the brain.