Laboratory Practice for Beginners in Botany (Classic Reprint) - Brossura

Setchell, William A.

Brossura

ISBN 10: 1330125126 ISBN 13: 9781330125120

Casa editrice: Forgotten Books, 2018

Riassunto

Excerpt from Laboratory Practice for Beginners in Botany

In order to make the study of botany more effective under the first head, it seems best to bring the student into imme diate contact with the object itself, in the laboratory; and not only that, but to avoid interposing apparatus, as far as possible, between the student and the object to be studied.

For this purpose, the writer has practically confined his attention to the larger plants.

Desiring also to cultivate, as far as possible, the ability to draw correct inferences from exact observations, the writer has deemed it best to consider the subject from a somewhat different point of view from that usually adopted, and has attempted to make the morphological study bear fruit in this direction. The great difficulty in most laboratory work is to make the students realize the significance of the morphological details. They may observe accurately and record their observations carefully, but what of that? The physiological significance is overlooked - even in many cases where experiments are used to illustrate physiological phenomena.

That the plant is a living thing, is a fact that must be borne actively in mind, both by teacher and by student. The plant must obtain the materials for its support, and to do this it must compete with other plants; it must protect itself against or seek the aid of animals it must obtain the energy and materials to reproduce its kind, and endeavor to place its offspring where they may have a proper chance for development; and, destitute of a mind as it is, it exercises an ingenuity, so to speak, that is of no mean order. We must, then, think of the plant as a living, working, struggling being with a single object in life, viz. To reproduce its kind and every variation in structure, be it great or little, is to be examined to determine, if possible, its use or history.

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Su questa edizione

• Editore: Forgotten Books
• Data di pubblicazione: 2018
• ISBN 10: 1330125126
• ISBN 13: 9781330125120
• Rilegatura: Copertina flessibile
• Numero di pagine: 224