MCQOPTIONS
 Saved Bookmarks
				| 1. | 
                                    17. Duck, mouse and fish can be grouped together because | 
                            
| A. | they eat both plants and animals, | 
| B. | they lay eggs. | 
| C. | of their similar outer body covering | 
| D. | they live in water | 
| Answer» B. they lay eggs. | |