An Entomologist Is Asked to Examine an Unknown Organism from the Cuticulata

An entomologist is asked to examine an unknown organism from the Cuticulata that has a head plus four additional segments, 8 legs and is only around 1mm in length. However, it is late on a Friday afternoon and the scientist really wants to go to the pub, so he decides to leave the examination until the following week. He cleans up his bench and accidentally puts the unknown organism in a freezer over the weekend. Realising his mistake on the Monday, he removes the organism from the freezer and leaves it on his bench to defrost before deciding what to do. Distracted, he forgets about the organism again and in his absence a colleague sets up an experiment on his bench using a hot flame, which heats the organism to more than 80 $\degree$ C and desiccates it almost completely. Upon returning to his bench, the scientist is convinced that the organism must surely be dead, but to his surprise he discovers that once some moisture is added and it returns to ambient temperature, the organism shows signs of life. Ironically, this litany of errors has made the scientist's job much easier as to survive such conditions this organism must be a(n)

A) Tardigrade.
B) Onychophoran.
C) Pycnogonid.
D) Merostome.
E) Myriapod.