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Sharks Mst Monira Khaton
Sharks
Mst Monira Khaton
Sharks are fishes and they have a skeleton but sharks skeleton are made of light flexible cartilage. That's why sharks are called a group of cartilaginous skeleton elasmobranch fish, they have pectoral fin. Rays are the sister group of sharks. Sharks are appeared on the water world before 420 million years ago.
| Medios de comunicación | Libros Paperback Book (Libro con tapa blanda y lomo encolado) |
| Publicado | 11 de febrero de 2020 |
| ISBN13 | 9781651032237 |
| Páginas | 46 |
| Dimensiones | 127 × 203 × 3 mm · 58 g |
| Lengua | Inglés |