Phát hiện động vật không cần oxy
hững động vật có khả năng sinh trưởng và sinh sản mà không cần sử dụng khí oxy đang tồn tại dưới đáy Địa Trung Hải.Những loài động vật mới được phát hiện có chiều dài thân khoảng vài mm. Chúng có lớp vỏ cứng bảo vệ cơ thể. Ảnh: BBC.BBC cho biết, các nhà khoa học của Đại học Bách khoa Marche, Italy tìm thấy ba loài thuộc ngành Loricifera. Chiều dài thân của chúng chỉ vào khoảng vài mm, còn ngoại hình của chúng khá giống sứa, nhưng có lớp vỏ cứng bảo vệ.
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