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How Organisms Respond to Stimuli: Examples and Quiz

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Xiuyi ๐Ÿฆฅ

2/26/2023

Biology

Stimulus and Response

How Organisms Respond to Stimuli: Examples and Quiz

Understanding how organisms respond to external stimuli is crucial in biology. This summary explores the concepts of stimulus and response, including internal and external stimuli, and provides examples of how living things react to their environment.

Key points:

  • A stimulus is an event that triggers a response in an organism
  • Responses are the reactions of organisms to stimuli
  • External stimuli come from outside the organism, while internal stimuli originate within
  • The process of responding to stimuli involves receptors, the nervous system, and effectors
...

2/26/2023

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Feb 26, 2023

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How Organisms Respond to Stimuli: Examples and Quiz

Understanding how organisms respond to external stimuli is crucial in biology. This summary explores the concepts of stimulus and response, including internal and external stimuli, and provides examples of how living things react to their environment.

Key points:

  • A stimulus... Show more

Stimulus & Response
Aim: To use observations to draw conclusions on how we respond to stimuli.
Objectives
โ€ข To define stimulus, response, in

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Stimulus and Response in Biology

This page introduces the fundamental concepts of stimulus and response in living organisms, explaining how they interact with their environment and internal conditions.

Definition: A stimulus is a thing or event in the environment that causes a response in an organism.

Vocabulary: The plural form of stimulus is "stimuli".

The relationship between stimulus and response is crucial for an organism's survival and adaptation. When an organism detects a stimulus, it reacts with an appropriate response.

Example: Feeling thirsty internalstimulusinternal stimulus leads to the response of getting a drink.

Definition: A response is how an organism reacts to a stimulus.

Example: An animal feeling cold stimulusstimulus moves into the sun responseresponse.

The page also distinguishes between external and internal stimuli:

  1. External Stimuli: These come from outside the organism. Examples: Temperature changes, presence of predators, availability of food
  2. Internal Stimuli: These originate from within the organism. Examples: Infections, dehydration, lack of energy, pain

Highlight: The pupil's response to light is a classic example of stimulus and response. Bright light causes the pupil to contract, while dim light causes it to dilate.

The page concludes with a detailed diagram illustrating the pathway of a visual stimulus through the eye and nervous system, demonstrating how the body processes and responds to external stimuli.

Example: A bright light stimulusstimulus enters the eye, triggering a series of neural responses that ultimately cause the pupil to contract responseresponse.

This comprehensive overview provides a solid foundation for understanding how organisms respond to external stimuli, a key concept in biology that helps explain why living things respond to stimuli and how they maintain homeostasis in changing environments.

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The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

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This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

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Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

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I think itโ€™s very much worth it and youโ€™ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still donโ€™t get it!!! In the end I think itโ€™s worth it ๐Ÿ˜Š๐Ÿ‘ โš ๏ธAlso DID I MENTION ITS FREEE YOU DONโ€™T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLYโ—๏ธโ—๏ธโš ๏ธ

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Brad T

Android user

Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help๐Ÿค๐Ÿค

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

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Greenlight Bonnie

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I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend

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Elisha

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This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as Iโ€™ve seen! Geometry too!

Paul T

iOS user