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| alga Simple, green, aquatic plants without stems, roots or leaves. They are among the microscopic organisms that form the start of the food chain. Algae are found floating in the sea and fresh water, but they also grow on the surface of damp walls, rocks, the bark of trees and on soil. They contain chlorophyll and other pigments that let them grow by photosynthesis. On land, algae can be useful in improving the fertility of soil by nitrogen fixation; alga | |||
| wrack | |||
| algae (Algae) | |||
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| alga; seaweed | |||
| sea trumpet (Eisenia bicyclis) | |||
| algae | |||
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| algal species | |||
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| weeds condiment | |||
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algas : 145 phrases, 22 sujets |
| Agriculture | 25 |
| Biochimie | 6 |
| Biologie | 2 |
| Botanique | 12 |
| Environnement | 18 |
| Général | 6 |
| Horticulture | 2 |
| Ichtyologie | 8 |
| Industrie alimentaire | 3 |
| Médical | 2 |
| Microbiologie | 2 |
| Nations unies | 3 |
| Nom de l'organisation | 1 |
| Océanographie et océanologie | 1 |
| Pêche industrie de la pêche | 8 |
| Pisciculture pisciculture | 12 |
| Ressources naturelles et conservation de la faune | 9 |
| Restauration et traiteur | 1 |
| Sciences de la vie | 9 |
| Sciences naturelles | 12 |
| Technologie | 2 |
| Transport | 1 |