Endangered species
Explains what species are, how they become extinct, and the effect of extinction on the ecology, and surveys endangered species of plants and animals and possible solutions.
| 第一著者: | |
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| フォーマット: | 図書 |
| 言語: | English |
| 出版事項: |
New York
F. Watts
c1988.
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| シリーズ: | An Impact book
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| 主題: |