Sebutkan struktur cangkang kerang

Oleh: USER1878
1 September 2025 biologi 5 menit baca
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Grade: Education Mata Pelajaran: biologi
Sebutkan struktur cangkang kerang
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1.lapisan periostrakum (lapisan luar)
2.prismatik(lapisan tngh yg trssn zat kapur)
3.nakreas(lapisan mutiara)
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