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binhnagatex
2 năm trước
Cây có hoa còn được gọi là cây hạt kín vì: * 4 điểm Hạt được dấu kín trong quả Hạt có bộ phận bảo vệ ở bên ngoài (vỏ hạt) Quả có khi không tự mở nên không phát tán được hạt ra ngoài Có hoa, quả, hạt. Hạt nằm trong quả
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