 |
| |||
| eendemossel f (Mitella pollicipes (Gmelin), Pollicipes cornucopia) | |||
| eendenmossel f (Balanus spp., Megabalanus psittacus, Pollicipes cornucopia) | |||
| zeepok m (Balanus spp., Megabalanus psittacus, Pollicipes cornucopia) | |||
| perceve: 3 phrases in 2 subjects |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 2 |