1. Which of the following mammals is a herbivore?   Hippopotamus   Walrus   Dolphin   Bear   Lynx   Hint Half-n-half Clue   2. Reptiles have _______ for respiration.   stomata   lungs   gills   Half-n-half Clue   3. The eggs of a female fish are known as soft roe.   True   False   4. Which of the following vertebrates is not a freshwater fish?   Pike   Stickleback   Perch   Minnow   Herring   Half-n-half Clue   5. The pelvic fins of a fish correspond to the front limbs of a mammal.   True   False   6. The pectoral fins of a fish correspond to the hind limbs of a mammal.   True   False   7. Milt from the hard roe of the male fish fertilizes the ova.   True   False