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Articles 1231 - 1233 of 1233

Full-Text Articles in Systems Biology

The Influence Of Geomagnetism On The Maze Behavior Of Dugesia Tigrina, Judith Kellman Miller Aug 1967

The Influence Of Geomagnetism On The Maze Behavior Of Dugesia Tigrina, Judith Kellman Miller

All Master's Theses

The present study is concerned with investigating whether planarian flatworms are capable of learning in an instrumental conditioning paradigm, and whether or not this ability to learn is affected by orientation in the geomagnetic field.


The Relation Of Some Physical And Chemical Factors Of The Soil To The Productivity And Distribution Of Certain Waterfowl Food Plants At The Bear River Migratory Waterfowl Refuge, Grant Hortin Jensen May 1940

The Relation Of Some Physical And Chemical Factors Of The Soil To The Productivity And Distribution Of Certain Waterfowl Food Plants At The Bear River Migratory Waterfowl Refuge, Grant Hortin Jensen

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Within the last few years several areas within the state of Utah have been and are being developed for the conservation of migratory birds. Of utmost importance in this respect is the management of these areas so as to obtain a sufficient supply of rood plants for use by water fowl. Previous work done at the Bear River Migratory Waterfowl Refuge shows that the productivity of aquatic rood plants, chiefly Potamogeton pectinatus L. and Ruppia maritima L. varies with different localities and that these differences could not be attributed to chemical conditions of the water, i.e., dissolved oxygen, alkalinity, and …


A Histological And Functional Study Of The Skin Of The Frog, Oscar Stern Jul 1937

A Histological And Functional Study Of The Skin Of The Frog, Oscar Stern

Bachelors’ Theses

In recent years much has been written on the skin of the frog, however, it seems that little has been done to correlate the morphological and physiological aspects of the skin. The literature reveals that considerable work has been done on the common laboratory frog Rana pipiens.