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No, it doesn't. This is one of the reasons scientists classify viruses as not living.
Environmental stimuli are stimuli in the environment that affect humans and other animals or things. This includes things like weather conditions, other people, and buildings.
dopamine
Passive smart materials: which can only sense the environmental condition or stimuli. Active smart materials: which sense and react to the condition or stimuli. Very smart materials: which can sense, react and adapt themselves accordingly. Intelligent materials: which are those capable of responding or activated to perform a function in a manual or pre-programmed manner.
The sun is not made of cells, does not respond to stimuli, and cannot reproduce.
A state of impaired awareness in which the mind and senses are dulled to environmental stimuli is known as stupor. This may be as a result of brain injury or psychological interference.
change in daylight length triggers breeding
dashon
the arrector pili
Directional stimuli are environmental stimuli, particularly light and sound, that the direction of which it comes and the direction of the response to the stimulus are of upmost importance. Non-directional stimuli are those where receptors do not detect the direction from which they come. Chemical stimuli are usually not directional.
They are made of cells, have a metabolism, respond to stimuli, grow, reproduce, and are influenced by their environment.
A neurohormone is a hormone that is secreted and circulated by neurosecretory cells into the blood. It stimulates neural mechanisms when activated by neural stimuli.