Choose the Appropriate Letter or Letters to Identify the Organizational

Choose the appropriate letter or letters to identify the organizational pattern or patterns of each reading. Dogs are mammals, so are squirrels and people.Because mammals come in a bewildering variety of sizes and shapes, the question is what characteristics define the class known as mammals? The answer to that question has several parts because mammals have a number of defining characteristics.Mammals are vertebrates.That means they have a backbone.Mammals are also warm-blooded, have lungs, and breathe in air.Mammals are the only animals with real hair and the ability to produce milk.A mammal's heart and lungs are divided from the stomach by a wall of muscle called the diaphragm.Mammals also have different types of teeth that are appropriate for different uses.Then, too, and not to be forgotten, mammal brains are more highly developed than the brains of other animals.

A) definition
B) classification
C) time order: process
D) time order: sequence of dates and events
E) comparison and contrast
F) cause and effect
G) simple listing