1. Frogs have _______ as their hearing organs.   lateral lines   external eardrums   sensitive feelers   Hint Half-n-half Clue   2. A bull is angered by the color of a red cloth.   True   False   3. A short-sighted person can see a distant object but has difficulty in seeing a near object.   True   False   4. Slow-worms and grass-snakes can be classified as reptiles which is one of the classes of vertebrates.   False   True   5. _______ animals live in water.   Aerial   Aquatic   Arboreal   Half-n-half Clue   6. _______ animals live on land.   Arboreal   Terrestrial   Aerial   Half-n-half Clue   7. The scientific term for the inner ear is _______.   eardrum   stirrup   cochlea   Half-n-half Clue