The optic chiasm is an X-shaped structure formed by the crossing of the optic nerves in the brain. The optic nerve connects the brain to the eye.
Answer:
The answer is Kingdom .
Explanation:
Kingdom is place the highest in the level of classification .
Phylum: Chordata
Class: Aves
Order: Strigiformes
Family: Strigidae
Genus: Bubo
Species: B. scandiacus
from species down we have:
species
population
organism
organ system
organ
tissue
cell
organelle
macromolecule
molecule
atom
elementary particle
I hope this helps you.