1. if you suddenly enter a cowshed, the cows and buffalos s...
1. if you suddenly enter a cowshed, the cows and buffalos stand up, begin to move, one or two may even start mooing. 2. a creeper planted in the courtyard leans towards a support. 3. a potted plant placed in a window grows towards sunlight. in each of the examples given above, what is the stimulus and what is the response?
Stimuli Someone's entering in cowshed, planted creeper, sunlight.
Response Moving of cows and buffalos, leans towards a support, grows towards sunlight.
The stimulus and response in the examples are
Stimulus - A person's entry to the cowshed.
Response - The cattle standing up and mooing.
Stimulus - The presence of a much needed support in the courtyard.
Response - The growth of the creeper towards the support.
Stimulus - Sunlight
Response - The growth of the potted plant at the window towards sunlight.
Stimulus : Anything that can elicit or evoke a response in an organism.
Response : A reaction or response to a specific stimulus.
Go through the following links for some more information.
Difference between response of plant and animal to stimuli
Compare the response and stimulus in plants and animals.
meters per second
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1)If roots and stems bend away from the stimulus, then this is known as negative tropism.
2)The sub divisions of forebrain are hypothalamus, thalamus and cerebrum. They are responsible for perceiving sensory information, understanding language and controls autonomic functions like controlling heart beat rate, respiration rate and metabolism rate.
3)1.8x10 raise to power 25 molecules of methane have highest mass. We can calculate this by converting all of them into moles by dividing their molecules with Avogadro’s number i.e. 6.022x10 raise to power 23 and then by multiplying moles with their molar mass.
4)Mass of water=1kg
Mass of liquid=2kg
density of liquid=3g/cm3
Density=Mass x Volume
density of the first liquid =1000×3=3000g/cm3
density of the second liquid =2000×3=6000g/cm3
the average density=3000+6000/2=4500g/cm3
5)If object of length f is placed, then its answer will be zero. As the radius of curvature=2f
For object distance=q=2f-f=f
The spherical mirror formula is:
For concave mirror,
-1/f+1/f=1/p (image distance)
100 meters per second
answer: the nervous system controls and coordinates all the functions in the body. it carries out its functions in close coordination with the hormonal system. thus, it can be said that nervous and hormonal systems together perform the function of control and coordination in human beings.
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stimulus are the changes in surrounding or environment that are observeable . A potted plant response to a stimulus call thigmonasty movement.
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Summarize the following in 2 sentences or less using your own words:
Like all organisms, plants detect and respond to stimuli in their environment. Unlike animals (Links to an external site.), plants can’t run, fly, or swim toward food or away from danger. Plants also don’t have a nervous system (Links to an external site.) to control their responses. They are usually rooted to the soil. Therefore, a plant’s primary means of response is to change how it is growing. It does so by turning away or towards a stimulus in the environment; this response is called a tropism. A tropism is a turning toward or away from a stimulus in the environment (Links to an external site.). These responses are generally controlled by hormones, which are chemical messenger molecules.
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