1. An owl is _______.   a reptile   a fish   an amphibian   a mammal   a bird   Hint Half-n-half Clue   2. A shark is _______.   a mammal   a reptile   a fish   a bird   an amphibian   Half-n-half Clue   3. A toad is _______.   a reptile   an amphibian   a bird   a fish   a mammal   Half-n-half Clue   4. A whale is _______.   a mammal   a fish   an amphibian   a bird   a reptile   Half-n-half Clue   5. An _______ is an invertebrate.   albatross   amoeba   6. A _______ is a mammal.   frog   monkey   crocodile   crow   mackerel   Half-n-half Clue   7. A mosquito is _______.   a vertebrate   an invertebrate