1. The scientific term for the inner ear is _______.   eardrum   cochlea   stirrup   Hint Half-n-half Clue   2. Which of the following two develop first in a tadpole?   Hind Legs   Front Legs   3. The lateral lines of fish are sensitive to the vibrations of water.   True   False   4. The nerve carrying messages from the eye to the brain is the _______ nerve.   olfactory   auditory   optical   Half-n-half Clue   5. The larvae of house-flies are known as _______.   caterpillars   maggots   pupas   Half-n-half Clue   6. Mammals have _______ glands which secrete milk.   adrenal   mammary   pituitary   Half-n-half Clue   7. Slow-worms and grass-snakes can be classified as reptiles which is one of the classes of vertebrates.   True   False