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duongto1806
2 năm trước
Câu 1: Hoa gồm những bộ phận chính nào? Nêu chức năng của các bộ phận đó? Bộ phận nào là quan trọng nhất? Vì Sao Câu 2: Căn cứ vào đặc điểm nào để phân biệt hoa lưỡng tính và hoa đơn tính?Hãy kể tên 3 loại hoa lưỡng tính và 3 loại hoa đơn tính mà em biết? Câu 3: Những hoa nhỏ thường mọc thành cụm có tác dụng gì đối với sâu bọ và đối với sự thụ phấn của hoa?
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