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| nesting The building of nests for egg laying and rearing of offspring | |||
| hierarchy arrangement; hierarchy construction; hierarchy formation | |||
| nesting | |||
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jerarquizacion : 3 a las frases, 2 temas |
| Ambiente | 2 |
| Ferrocarril | 1 |
|
| |||
| nesting The building of nests for egg laying and rearing of offspring | |||
| hierarchy arrangement; hierarchy construction; hierarchy formation | |||
| nesting | |||
|
jerarquizacion : 3 a las frases, 2 temas |
| Ambiente | 2 |
| Ferrocarril | 1 |