Science Unit 14 Quiz Crossword
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
 
 
Down: 1) length of time between fertilization and birth3) endothermic vertabrate that has feathers, four chambered heart and lays eggs5) Sharp pointed teeth that stab food and tear it6) Organs that produce milk to feed young10) endothermic vertabrate that has four chambered heart, skin covered with fur and feeds young with milk12) A bird's internal storage tank for storing food Across: 2) flat edged teeth4) membrane that links embryo/fetus and the mother6) A mammal that lays eggs7) dome shaped muscle, helps in breathing8) Mammals whose young are born at an early stage and continue to develop in a pouch on the mother's body9) thick walled muscular part of a bird's stomach10) teeth that, along with the pre-molars, grind and shred the food11) Mammals that develop inside its mothers body
 

 

Create your own Crossword Puzzle for Free!		  Show Errors as I Type