1. _______ is a reptile.   An albatross   A sardine   An alligator   A frog   A fox   Hint Half-n-half Clue   2. A whale is _______.   a reptile   a fish   a mammal   an amphibian   a bird   Half-n-half Clue   3. A _______ is warm-blooded.   raven   lizard   4. A shark is _______.   a mammal   an amphibian   a fish   a bird   a reptile   Half-n-half Clue   5. An _______ is an invertebrate.   amoeba   albatross   6. A toad is _______.   a mammal   a reptile   a bird   a fish   an amphibian   Half-n-half Clue   7. A mosquito is _______.   a vertebrate   an invertebrate