Typical, distinguishing, distinctive, normal etc.
A trait
traits
characteristics?
Yes.
Genetic characteristics.
physical features
another word for the qualities of a person is the traits of a person or the vitues of a person
Characteristics
party, celebration, reception, get-together
The word "personality" can be a person's characteristics, or another word for a celebrity.(* the rarely used word "presenility" means premature mental debility)
Another word for selectively permeable is semipermeable. This term describes a membrane or barrier that allows certain substances to pass through while blocking others based on size, charge, or other characteristics.
Yes, another word for structures that are similar is "analogous." This term is often used to describe things that have comparable characteristics or functions, even if they are not identical. Other synonyms include "comparable," "alike," and "akin."
The anagram is "simile" (a comparison of similar characteristics of dissimilar subjects).