Earthworms: Nature's little farmers.
| Autor: | St. Pierre, Pat |
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| Předmět: | |
| Zdroj: | U.S. Kids; Jun96, Vol. 9 Issue 4, p16, 1p, 2 Color Photographs |
| Abstrakt: | Provides information about earthworms. Bristles on earthworm's body to help in digging into the soil; Worm-created tunnels bringing air and water to growing plants; Body wastes or castings containing minerals. |
| Databáze: | Supplemental Index |
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