This preview shows page 1. Sign up to view the full content.
Unformatted text preview: once in my life when I went traveling, and people try to keep as many as coral reefs because they are really amazing and functional for the ocean. Because of the human activities like clearing forests, polluting the oceans, and the green house effect, etc, many species lost their habitats and got influenced for their lives, and that lead to vanish amphibians. Amphibians play an important role in ecology, they maintains our biological communities, if some of them become extinct, it will lead to extinct of other species. Its pathetic that a part of our world being damages and many of us are doing nothing....
View Full Document
This note was uploaded on 09/18/2009 for the course BIO 120 taught by Professor Staff during the Fall '07 term at USC.
- Fall '07