Document Type

Article

Publication Date

11-1-1989

Original Publication Title

American Biology Teacher

Volume

51

Issue

8

First Page

489

Last Page

493

Creative Commons License

Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.

Included in

Biology Commons

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