What is it called when organisms respond to stimuli?
The ability of an organism to respond to external stimuli is called sensitivity.
Which organisms detect and respond to stimuli?
Effectors
| Sensory receptors | These detect the changes in the environment (stimulus) |
|---|---|
| Motor neurons | Nerve cells that receive a signal from the CNS and transfer it to the effector |
| Effectors | The muscles or glands that produce a response to the stimulus |
What two types of stimuli do organisms respond to?
Both external and internal stimuli can cause a response, or reaction, from an organism. Organisms respond to external stimuli to maintain homeostasis.
How does an organism usually respond to a stimulus?
An organism will respond to a stimulus by modifying its behavior, or what it’s doing. Stimuli can be broken into either good or bad. If something is good, a living thing will behave in a way that increases the stimulus. If something is bad, a living thing will behave in a way that decreases the stimulus.
What are the different responses to stimuli?
In the nervous system, internal and external stimuli can elicit two different categories of responses: an excitatory response, normally in the form of an action potential, and an inhibitory response.
How do animals respond to stimuli?
Animals may respond to environmental stimuli through behaviors that include hibernation, migration, defense, and courtship. As a result of cold, winter weather (stimulus) some animals will hibernate. The animal’s body temperature drops, its heartbeat and breathing slow down, and it uses very little energy.
Is stimuli and stimulus the same thing?
A stimulus is anything that can trigger a physical or behavioral change. The plural of stimulus is stimuli. Stimuli can be external or internal.
Do all organisms respond to stimuli?
All living things are able to respond to stimuli in the external environment. For example, living things respond to changes in light, heat, sound, and chemical and mechanical contact. Organisms change their behavior in response to changes in the surrounding environment.
What is the synonym of response?
answer,
What are two synonyms stimulus?
synonyms for stimulus
- catalyst.
- encouragement.
- fillip.
- impetus.
- incentive.
- motivation.
- stimulant.
- stimulation.