1. Which of the following animals travels from the sea up a river in order to spawn?   Newt   Salamander   Salmon   Oyster   Lemming   Hint Half-n-half Clue   2. Which of the following animals is an insect?   Water-Flea   Mussel   Gnat   Snail   Shrimp   Half-n-half Clue   3. The lungs _______ when the diaphragm rises.   expand   contract   inflate   Half-n-half Clue   4. The turtle belongs to which of the following classes of vertebrates?   Fish   Amphibians   Reptiles   Half-n-half Clue   5. Pick the "odd one out" (with reference to vertebrates and invertebrates).   Newt   Shrimp   Lizard   Eagle   Piranha   Half-n-half Clue   6. The insect carrying the parasite that causes sleeping sickness is the _______.   anopheles mosquito   tsetse fly   queen bee   Half-n-half Clue   7. All animals can be fundamentally classified into two main groups known as the vertebrates and the invertebrates.   False   True