Has it own shape
Has volume
Has mass
A cladogram (from Greek clados "branch" and gramma "character") is a diagram used in cladistics to show relations among organisms. ... These branching off points represent a hypothetical ancestor (not an actual entity) which can be inferred to exhibit the traits shared among the terminal taxa above it.
1. pharynx
2. bronchial tube
3. pleura
4. nasal cavity
5. mouth
6. larynx
7. trachea
8. diaphragm
I am not sure on this question