If you are given a specimen, what are the steps

If you are given a specimen, what are the steps that you would follow to classify it?

(i) Level of organisation.
(ii)Body symmetry.
(iii) Segmentation pattern.
(iv)Presence or absence of vertebral column.
(v) Locomotory organelles limbs/fins/wings.
(vi) Patterns of organ systems like digestive, circulatory or reproductive systems.