The frog for many people represents a most memorable event of their high school days. But the frog soon may be a thing of the past in the high school biology class. There is a growing frog shortage.
Iowa Science Teachers Journal
© Copyright 1982 by the Iowa Academy of Science
"Frog Population on Decline,"
Iowa Science Teachers Journal: Vol. 19
, Article 5.
Available at: https://scholarworks.uni.edu/istj/vol19/iss2/5