Choice b choice b choice b choice b choice b
Testosterone is the principal male sex hormone.
Answer:
i think its A. i dunno if it is btw have a nice day
There are two types of biological organization, I believe.
The first would be (from smallest to largest).
Species
Genus
Family
Order
Class
Phylum
Kingdom
Domain
The other would be:
Atom
Molecule
Cell
Tissue
Organ
Body system
Organism (Individual)
Population
Community
Ecosystem
Biosphere
Hope this helps c: