Earthworms, dirt, and rotten leaves

Examines the earthworm and its environment, suggesting experiments to introduce basic ecological concepts as demonstrated by the earthworm's survival in its habitat.

שנה

1990

שפה

English

הוצאה

Avon Books (Mm)

מהדורות

1

ISBN

9780380710744

מקור הנתונים: Wikidata