Question

give me an example of external stimulus ​

Answer 1

Answer:

➜It is something that causes excitement, or energy, especially interest and reaction.

➜Stimulus evokes a particular Functional reaction inthe body and stimulus can be physical as well as chemical.

➜An example for a stimulus is

→An animal is cold so it moves into the sun.

➜Stimulus has two parts :--

External stimulus.

Internal stimulus.

➜External Stimulus :-- It is a stimulus that originate from outside the organism.

Example of External stimulus that you had asked is

→a body's response to ingesting medicine.

➜Internal Stimulus :-- It is a stimulus that originate from inside the Organism.

→Example -- Light Response

Answer 2

For example, some hormones signal a plant to expand its root system in response to lack of water or nutrients. Internal stimuli cause responses to protect an animal and maintain homeostasis. Thirst and hunger are biological responses to lack of water and food.