1. The useful work of the bees in gardens is to _______.   pollinate the flowers   feed on the greenfly   aerate the soil   Hint Half-n-half Clue   2. An unfertilized egg is also known as _______.   ovary   ovum   ovule   Half-n-half Clue   3. The salmon belongs to which of the following classes of vertebrates?   Amphibians   Mammals   Fish   Half-n-half Clue   4. Which of the following animals is an insect?   Water-Flea   Gnat   Mussel   Snail   Shrimp   Half-n-half Clue   5. The peregrine falcon belongs to which of the following classes of vertebrates?   Birds   Fish   Mammals   Half-n-half Clue   6. The salamander belongs to which of the following classes of vertebrates?   Fish   Reptiles   Amphibians   Half-n-half Clue   7. Pick the "odd one out" (with reference to vertebrates and invertebrates).   Earthworm   Spider   Butterfly   Snail   Snake   Half-n-half Clue