What Is a Mammal?

Series: Biology (Spanish Series Unit 7 - Animal Classification and Physiology

Genre: Educational

Year Published: 1962

Creator: Encyclopedia Britanica Films

Format: 16mm

Color: Color

Sound: sound

Description: With teacher's guideUses a detailed comparison of the basic structural characteristics of reptiles and mammals to present evidence of the mammal's superiority in adapting to a wide variety of environments on land, in water, and in the air. Presents examples of the mammal's advantages in efficiency of motion, in ability to maintain a constant body temperature, in development of sense organs, in circulatory system, in reproductive system, and in brain capacity, Demonstrates the basic structural and behavioral characteristics of mammals and describes their successful adaptation to a wide variety of ecological niches. Discusses the evolution of mammals and shows their distribution.

Complete Record: With teacher's guide Uses a detailed comparison of the basic structural characteristics of reptiles and mammals to present evidence of the mammal's superiority in adapting to a wide variety of environments on land, in water, and in the air. Presents examples of the mammal's advantages in efficiency of motion, in ability to maintain a constant body temperature, in development of sense organs, in circulatory system, in reproductive system, and in brain capacity, Demonstrates the basic structural and behavioral characteristics of mammals and describes their successful adaptation to a wide variety of ecological niches. Discusses the evolution of mammals and shows their distribution. NOTE: Two (or more) records have been merged together to create this data.