A 350 Million-Year-Old Fossil Called Ichthyostega Was

question 20

Multiple Choice

A 350 million-year-old fossil called Ichthyostega was

• A)a lobe-finned fish that gave rise to the amphibians.
• B)the earliest known tetrapod.
• C)a lizard-like stem reptile.
• D)a ray-finned fish that gave rise to the amphibians.

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Definitions:

Quick Start Method

A contraception initiation technique where birth control is started immediately, regardless of the menstrual cycle phase, to provide prompt contraceptive effect.

Spontaneous Abortions

Medical term for miscarriages, referring to the natural loss of a pregnancy before the fetus can survive outside the womb.

Emergency Contraception

A method of preventing pregnancy after unprotected sexual intercourse, often referred to as the "morning-after pill."

Surgical Procedure

A medical operation performed to diagnose, treat, or prevent illness or injury, involving the cutting into the body.