As Life on Earth Evolved, Its DNA

question 18

Multiple Choice

As life on Earth evolved, its DNA

• A) changed gradually into RNA
• B) stayed the same
• C) became gradually less complex
• D) became gradually more complex

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Definitions:

Agitated Movement

Rapid, restless, or tumultuous motions often indicative of emotional distress or physical discomfort.

Crowning

The moment during childbirth when the baby's head is visible at the vaginal opening before being born.

Pudendal Block

A regional anesthesia administered in the pudendal nerve area to relieve pain during childbirth.

Epidural Block

A medical procedure that involves injecting anesthetic near the spinal cord to block pain, commonly used during childbirth.