A gazelle has learned that lions represent danger. On seeing a lion, the gazelle's heart rate increases and the gazelle runs from the lion. What levels of organization are required for this response to occur? A. cells, organ systems, and organism B. cells only C. cells and organ systems only

The levels of organization involved in the gazelle's response to flight are cell, organ system and organism (option A).

Explanation:

The organic response to the threat requires the coordinated organization of cellular level and the organs system of the body, in order for the organism to escape and to be able to preserve its integrity.

In the case of gazelle, a stimulus of danger - visual and auditory - originates, which travels afferentially through the nerves to the central nervous system, specifically in the area of association.

In a second time, the brain of the gazelle sends signals, efferently, to the effector organs, glands and muscles, to prepare the escape.

In this scenario, are the cells of the nervous, glandular and muscular systems -cells and organs- that are responsible for activating the alert in the gazelle -living organism- and making it flee from the lion. The sympathetic (autonomic) and somatic nervous system are what coordinate the fight or flight response.

Learn more:

Fight-or-flight response link

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