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quaythubill
2 năm trước
1. So sánh bộ xương thằn lằn với bộ xương ếch ? 2. Trình bày rõ những đặc điểm cấu tạo trong của thằn lằn thích nghi với đời sống ở cạn? 3. Lập bảng so sánh cấu tạo các cơ quan tim, phổi, thận của thằn lằn và ếch? 4.Tâm thất xuất hiện vách hụt có ý nghĩa a. Máu đi nuôi cơ thể là máu pha b. Máu đi nuôi cơ thể ít pha hơn c. Máu đi nuôi cơ thể là máu đỏ tươi d. Tăng động lực di chuyển của máu trong cơ thể 5. tại sao thằn lằn là loài động vật biến nhiệt
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