The lowly frog has long been the biologist's friend. As a small vertebrate available in large numbers, this amphibian has been made the high point of every biology class across the country, since the turn of the century.
Iowa Science Teachers' Journal
© Copyright 1964 by the Iowa Academy of Science
"Frogs: Living Tools of Science,"
Iowa Science Teachers Journal: Vol. 1
, Article 11.
Available at: https://scholarworks.uni.edu/istj/vol1/iss4/11