The initial stage where a perceived threat or danger is experienced. this is when physiological reaction occurs that includes heightened energy and/or facial expressions of fear or tension. you may also experience shallow breathing with perspiration and accelerated heart beat. which stage of the general adaptation syndrome (gas) is this?

Alarm reaction stage

Explanation:

The General Adaptation Syndrome (GAS) is the 3- stage body response to stress conditions. The three stages include

1) Alarm reaction stage

2) Resistance stage

3) Exhaustion stage

Note that the Alarm reaction stage consist of arousal by the autonomic nervous system, where several involuntary responses such as sweating, tension, raised breathing etc are observed due to hormones released.

a chain link fence because there so tiny even my albino donkey can't get out

osteogenesis imperfecta (oi) refers to a congenital ailment of bones. in the condition, the bones become brittle or fragile. this ailment is a general result of the defect or mutations in the genes (colia1 or colia2). this mutation results in imperfect collagen formation either in quantity or quality wise.  

there are eight kinds of oi defects, and each kind varies with certain distinctions in symptoms. the usual symptoms include frequent bone fractures, loss of hearing in infants, protruding eyes, discoloration of the white in the eyes, respiratory issues, loosening of the joints, short stature, and other symptoms.