Which of the following describes a response to external stimuli?





a rabbit runs away from a fox that is chasing it




a woman drinks water when she is thirsty




a boy eats food when he is hungry




a person yawns when oxygen levels in the blood are low

Verified Answer :


a rabbit runs away from a fox that is chasing it is external stimuli

Thirst and hunger are internal stimulation caused by hypothalamus of human brain
Yawning is a process occuring due to low oxygen levels in the blood which is also internal factor

Answer:

a rabbit runs away from a fox that is chasing it

Explanation:

An external stimulus is a stimulus that originates from outside the organism. For example, light is an external stimulus