The trend in secondary biology is to use living material in so far as it is possible. Biology instruction, as it has advanced beyond the descriptive level, has included more projects requiring living animals. The local collecting and culturing of some of these organisms adds just that much more biological experience to the course.
Iowa Science Teachers' Journal
© Copyright 1964 by the Iowa Academy of Science
Christensen, Cameron L.
"Collection and Culture of Lower Animal Forms,"
Iowa Science Teachers Journal: Vol. 2
, Article 11.
Available at: https://scholarworks.uni.edu/istj/vol2/iss2/11