They use it as a defense because if they are being hunted by a predator, they will use a certain light pattern to alert any larger predators to get whatever is hunting them.
Answer:
a. derealization.
Explanation:
Derealization is an alteration in the perception or experience of the external world so that it seems unreal. Other symptoms include feeling as though one's environment is lacking in spontaneity, emotional coloring, and depth.
You needed to be a white male land owner
Answer:
Geographical immobility
Occupational immobility
Capital immobility
Explanation:
Geographical immobility, difficulty in moving from one region to another.
Occupational immobility, when there is difficulty in moving from one type of job to another.
Capital immobility, if there is a rapid structural change in the economy, to keep up to date with changing nature of the economy.