http://www.umich.edu/~esupdate/sepoct2001/miller2.htm
http://www.taiga.net/yourYukon/col298.html
http://books.google.com/books?id=YsubFM8cADcC&pg=PA296&lpg=PA296&dq=carnivores+healthy+ecosystem&source=web&ots=nF0CSyyyEP&sig=-zKAkHhiJXwbN0MrgxHwPTbDnv0&hl=en&sa=X&oi=book_result&resnum=9&ct=result
how does the presence of top carnivores
indicate that an ecosystem is healthy
1 answer