1. The scientific term for the inner ear is _______.   eardrum   stirrup   cochlea   Hint Half-n-half Clue   2. The body of an insect comprises three parts, namely the head, body and tail.   True   False   3. A long-sighted person can see a distant object but has difficulty in seeing a near object.   False   True   4. The lateral lines of fish are sensitive to the vibrations of water.   False   True   5. _______ animals live in water.   Aquatic   Arboreal   Aerial   Half-n-half Clue   6. Mammals have _______ glands which secrete milk.   mammary   adrenal   pituitary   Half-n-half Clue   7. Pick the "odd one out" (with reference to crustaceans and molluscs).   Octopus   Crayfish   Oyster   Half-n-half Clue