Which Group Includes Mammals, Birds, and Reptiles but Excludes All

question 70

Multiple Choice

Which group includes mammals, birds, and reptiles but excludes all other chordates?

• A)Vertebrates
• B)Amniotes
• C)Tetrapods
• D)Monotremes

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Definitions:

Endoskeleton

An internal support structure of the body, found in vertebrates, providing framework and protection for the body's organs.

Exoskeleton

A hard outer shell that covers the body of certain invertebrate creatures, particularly those in the arthropod group, offering support and defense.

Integumentary System

The Integumentary System is the body system that includes the skin and its appendages, serving as a protective barrier against environmental hazards.

Osteoporosis

A condition characterized by reduced bone density and quality, leading to weakened bones and an increased risk of fractures.