Plants of Asclepias perennis Watt. and A. tuberosa L. ssp. rolfsii are examined to determine structural characteristics of these species from different habitats. Some structural features in both ...

MR. H. HAMSHAW THOMAS'S paper entitled “The Old Morphology and the New”, read before the Linnean Society on November 10, created considerable interest. In recent years, Mr. Thomas said, a great gulf ...

A TEXT-BOOK by such an experienced teacher as Prof. H. H. Dixon -is very welcome. To judge from the introduction, this book represents in condensed form the series of lectures which the author has ...

The genus Laretia Gillies & Hook, comprises a single species, L. acaulis (Cav.) Gillies & Hook., of xerophilous subshrubs that form flat compact cushions. It is endemic to southern South America and ...

Scanning electron microscopy (SEM), in the last several years, has made a major impact on different fields of biology research that are either associated with the physiology and anatomy of plants, or ...

Chapter 1 Problems of adaptation to a terrestrial environment -- Chapter 2 An overview of plant structure and development -- Chapter 3 The protoplast of the eukaryotic cell -- Chapter 4 Structure and ...

One of the hardest parts of studying biology is remembering numerous different and difficult terms. In order to understand what you are studying, you need to familiarize yourself with all these terms.

This ScienceLives article was provided to Live Science in partnership with the National Science Foundation. A childhood love of drawing and an innate curiosity brought Sandy Kawano to the field of ...