Submitted by khenkes on Wed, 08/09/2017 - 11:25
Discusses the land, climate, people, vegetation and wildlife of the North and South Poles, describes several polar expeditions and explains the present and future usefulness of these areas.
Submitted by khenkes on Wed, 08/09/2017 - 11:25
Traces the evolution of birds and discusses the varied sizes, shapes, colors, and habits of some representatives of the over 9,000 species existing today.
Submitted by khenkes on Wed, 08/09/2017 - 11:25
Describes the climate, land formations, vegetation, animals, water supplies, and people of the earth's deserts.
Submitted by khenkes on Wed, 08/09/2017 - 11:25
Traces the evolution of birds from prehistory to the present. Lists the twenty-seven orders and describes their characteristics, habits, and adaptation to man.
Submitted by khenkes on Tue, 07/18/2017 - 08:37
Submitted by khenkes on Tue, 07/18/2017 - 08:37
Submitted by khenkes on Tue, 07/18/2017 - 08:37
Submitted by khenkes on Tue, 07/18/2017 - 08:37
Submitted by khenkes on Tue, 07/18/2017 - 08:37
Discusses the life, growth, and destruction of the world's forest areas, and the independence of the trees, plants, animals, birds, insects, and men who live in them.
Submitted by khenkes on Tue, 07/18/2017 - 08:37
Traces the evolution of reptiles and discusses the physical characteristics and habits of the three main groups existing today--turtles, lizards and snakes, and the crocodilians.
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