1. Some insect species
living on sea shores show periodicities that accord with the tides. What
is the mean tidal interval, and what is the significance of this value? Answer
2. Name 3 families of insects that contain many
wing-dimorphic species.Answer
4. What stages are the eonymph, nymph, nymphe, pronymph
and protonymph? Answer
5. A beetle flies in still air for 200 metres.
Another of the same species walks the same distance. If both travel in a
straight line, which one uses the most energy? Answer