mammals
A Kingdom is the largest group a organism can be classified in.
The specmen is classifed as a gas
Yes an organism can be classifed as a person but it can be many other things to besides a person.
Aged 13-19
twilight is aged 12+
Sharks are calssified by fish
HIV is a viral infection.
No it's considered a peer group. Different aged people a ethnic group would fall into peer groups
Middle aged
Taxonomy
decomposers