The Fossil Record Tells Us

question 42

Multiple Choice

The fossil record tells us

• A) That extinction is a rare biological event
• B) That more species are alive today than have ever lived in history
• C) That birds are likely going extinct more slowly today than historically
• D) That more than 99% of species that have ever lived are now extinct

---

Definitions:

Miscarry

The spontaneous loss of a pregnancy before the fetus can survive outside the womb, often occurring before the 20th week of pregnancy.

Surrogate Mother

A woman who agrees to bear a child on behalf of another person or couple, often through artificial insemination or gestational surrogacy.

Ovaries Removed

A surgical procedure, known as oophorectomy, involving the removal of one or both ovaries, often performed to treat or prevent certain medical conditions.

Chromosomal Abnormalities

Variations in the number or structure of chromosomes, which can lead to developmental, physical, or intellectual disabilities.