Botany Books Offline

Principles of Botany course textbook, basic Botany book theory for beginners

This book includes an education covering the basic principles of botany with particular emphasis on quality assurance and text enhancement, offline botany course modules. It is important to have a basic understanding of the main theoretical principles of botany when you are studying botany applications offline. Botany, branch of biology that deals with the study of plants, including their structure, properties, and biochemical processes. Also included are plant classification and the study of plant diseases and of interactions with the environment. The principles and findings of botany have provided the base for such applied sciences as agriculture, horticulture, and forestry.

Plants were of paramount importance to early humans, who depended upon them as sources of food, shelter, clothing, medicine, ornament, tools, and magic. Today it is known that, in addition to their practical and economic values, green plants are indispensable to all life on Earth: through the process of photosynthesis, plants transform energy from the Sun into the chemical energy of food, which makes all life possible. A second unique and important capacity of green plants is the formation and release of oxygen as a by-product of photosynthesis. The oxygen of the atmosphere, so absolutely essential to many forms of life, represents the accumulation of over 3,500,000,000 years of photosynthesis by green plants and algae.

Although the many steps in the process of photosynthesis have become fully understood only in recent years, even in prehistoric times humans somehow recognized intuitively that some important relation existed between the Sun and plants. Such recognition is suggested by the fact that worship of the Sun was often combined with the worship of plants by early tribes and civilizations.

Earliest humans, like the other anthropoid mammals (e.g., apes, monkeys), dependent totally upon the natural resources of the environment, which, until methods were developed for hunting, consisted almost completely of plants. The behavior of pre-Stone Age humans can be inferred by studying the botany of aboriginal peoples in various parts of the world. Isolated tribal groups in South America, Africa, and New Guinea, for example, have knowledge about plants and distinguishing extensive hundreds of kinds according to their utility, as edible, poisonous, or otherwise important in their culture. They have developed sophisticated systems of nomenclature and classification, which approximate the binomial system (i.e., generic and specific names) found in modern biology. The urge to recognize different kinds of plants and to give them names thus seems to be as old as the human race.

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