How Does Continental Drift Explain the Uniqueness of Australian Fauna

question 29

Multiple Choice

How does continental drift explain the uniqueness of Australian fauna?

• A) Marsupials fill the ecological niche as eutherians on other continents.
• B) Fossil evidence suggests that marsupials originated in Asia and reached Australia via South America.
• C) The subsequent separation of the southern continents formed an island of marsupials.
• D) In Australia, marsupials diversified, and eutherians became extinct.

---

Definitions:

Erectile Tissue

Tissue in the body capable of becoming rigid and engorged with blood, primarily found in the penis and clitoris.

Clitoris

An erectile organ located at the anterior junction of the labia minora.

Labia

The external folds of skin surrounding the openings of the vagina, divided into the labia majora and the labia minora.

Vestibule

A vestibule often refers to a small entryway or antechamber between the exterior and interior of a building.