Tortoises Colonizing the Different Galapagos Islands and Evolving into Different

question 17

Multiple Choice

Tortoises colonizing the different Galapagos islands and evolving into different species is an example of ____ speciation.

• A)prezygotic
• B)allopatric
• C)postzygotic
• D)sympatric
• E)outgroup

---

Definitions:

Gallbladder

A small, pear-shaped organ located beneath the liver, which stores and concentrates bile produced by the liver.

Bile

A digestive fluid produced by the liver and stored in the gallbladder, that aids in the digestion and absorption of fats in the small intestine.

Common Bile Duct

A duct in the digestive system that conveys bile from the liver and gallbladder to the duodenum.

Cystic Duct

A short duct that connects the gallbladder to the common bile duct, which then carries bile to the intestine.