Outline

  1a.   This organism has an exoskeleton    - go to question 2
  1b.   This organism has an endoskeleton or no skeleton    - go to question 3

  2a.  This organism has thin black body and a red sripe on it's abodomen   - go to question 4a.
  2b.  This organism has a thick black body with large grey/brown abdomen    - go to question 4b.

  3a.   Organism dwells on land    - go to question 5
  3b.   Organism dwells in the ocean    - go to question 6

  4a.   Organism is called Latrodectus hasselti
  4b.   Organism is called Atrax infensus

  5a.   Organism is totally covered in smooth scale-like skin    - go to question 7
  5b.   Organism has a textured coat or covering   - go to question 8

  6a.   Organism 8 thick legs or tentacles    - go to question 9a.
  6b.   Has many string-like legs or tentacles    - go to question 9b.

  7a.   Scale-like skin is patterned in horizontal stripes over the body    - go to question 10a.
  7b.   Scale-like skin has one block colour over most of it's body    - go to question 10b.

  8a.   Has fine fur-like covering    - go to question 11
  8b.   Has feather-like covering over most of it's body    - go to question 12

  9a.   Organism is Hapalochlaena lunulata
  9b.   Organism is Chironex flecken

  10a.  Organism is Psuedonaja texilis
  10b.  Organism is Pseudechis porphyricus

  11a.  Has two opposing thumbs on the front paws   - go to question 13a.
  11b.  Has no opposing thumb on the front paws   - go to question 13b.

  12a.  Has large bone-like structure on a bald, blue-skinned head    - got to question 14a.
  12b.  Has feather-like covering over head with no bone-like structure   - go to question 14b.

  13a.  Organism is Phascolatarctos cinerus
  13b.  Organism is Vombatus ursinus

  14a.  Organism is Casuarius casuarius
  14b.  Organism is Dromaius novaebollandiae