Answer:
I believe the Golgi apparatus or endoplasmic reticulum
Explanation:
The main food sources of the birds( the plentiful recourses within the environment occupied by the species)
The very large muscle which covers the top and sides of the skull from occipital bone to eyebrows is called:
Occipitofrontalis
The cranial nerve that carries visual impulses from the retina to the brain is the: optic nerve.
