Product Description: AN INVITATION TO HEALTH, 10th Edition introduces students to research, information, and recommendations related to health and healthy lifestyles. Reviewed by over 80 instructors, this informative text focuses on change and prevention and supplies students with the lessons they'll need to make responsible healthy decisions in their daily lives...read more

Product Description: Plants produce a considerable number of structures of one kind, like leaves, flowers, fruits, and seeds, and this reiteration is a quintessential feature of the body plan of higher plants. But since not all structures of the same kind produced by a plant are identical—for instance, different branches on a plant may be male or female, leaf sizes in the sun differ from those in the shade, and fruit sizes can vary depending on patterns of physiological allocation among branches—a single plant genotype generally produces a multiplicity of phenotypic versions of the same organ...read more

Presents a history of the Verschuchsverband, the trials and research unit of the Luftwaffe high command.

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