Taxis is often characterized by light, heat, moisture, sound, or chemicals. Investigations using a choice chamber often depend on developing a null hypothesis with which the final result is compared. 3 Place 1020 woodlice in the choice chamber. When using a choice chamber, it is important to disturb the animals gently between trials to ensure that subsequent recordings are new readings. The compartment with the highest number of animals likely simulates that animals most desirable condition in the wild for that particular environmental factor. 2 Woodlice: the CLEAPSS Guide L56 'Housing and keeping animals' gives the following information about woodlice. StudySmarter is commited to creating, free, high quality explainations, opening education to all. Name the type of behavioural response shown by the body-louse in this investigation. Place one beetle or woodlouse in the chamber, start a stopclock and map the animal's movements by tracing on the lid with a suitable felt pen or wax pencil. Orientation behaviors take the animal to its most favorable environment. : Choice chambers are enclosed in designed environments with several linked compartments within a large plastic petri dish, simulating desired environmental conditions. 5. Ensure at Results. In a tropism response, plants can only change the direction of their growth either towards or opposite the direction of the stimulus because plants cant move. In a kinesis response, woodlice move faster if the temperature drops below or rises above a specific optimal range in their current location. Netting will be placed over the top so the woodlice can walk over it. 6 Hygiene procedures to observe when handling animals: Teachers should be careful to introduce invertebrates used in this investigation in a way that promotes a good ethical attitude towards them and not a simply instrumental one. In a kinesis type response, when an organism senses that it has temporarily entered a more unfavourable location, it will increase its speed and rate of turning to exit the space. Rather than enjoying a fine ebook gone a cup of coffee in the afternoon, instead they juggled when some harmful virus inside their computer. Woodlice Choice Chamber Experiment Method If you ally need such a referred Woodlice Choice Chamber Experiment Method book that will give you worth, get the utterly best seller from us currently from several preferred authors. The lamp should be shining at a shallow angle along the tray. q9 e&;4_UQkR\cY.gaY 8u%];eJCl~FBqz9C!91F/o#$j~Z lgy2:(^`[J]L]TT}Ty{|Z$/WU:+t;'?i%-@ IGO2GK[|Pj&=e5$RzOJci;yQ8-WV|(co`V_k'Kao4s%{-&3nZfmkJVXH*,tT6gFE8&A V9]^=P*X1HceyCIFS:OZSr To ensure quality for our reviews, only customers who have purchased this resource can review it. The direction of the stimulus determines the direction of the movement. Place the permeable platform on the bottom layer. Draw around the lid of your pot onto the filter paper. Collect and transfer them using pooters or small artists brushes. 69 0 obj <>stream No, kineses are random movements. Woodlice Choice Chamber Experiment Method Pdf Free All Access to Woodlice Choice Chamber Experiment Method PDF. https://szjyhy.com/hdueunk/2017/10/09/auditor-general-report-2012-malaysia-pargo/, http://inprogress-business-solutions.co.za/dolph/blogs/entry/H-m-conscious-actions-sustainability-report-2012, http://www.texpaste.com/n/nefy6olt, https://aitais.com/mcunwhp/2017/10/09/operator-manual-for-troy-bilt-horse-tiller/, http://telegra.ph/China-guide-heinrich-hutschenreuther-identification-rosenthal-10-09. Sieve the beetles from the flour before the investigation starts. Method. This choice chamber has been set up with water on one side and a desiccant (drying agent) on the other. This is usually repeated for about five minutes. Put some water in one half of the lower part. Animal behaviours in choice chambers may show directional responses (movement directly towards or away from particular stimuli), or may show behaviours such as increasing speed and increase in turning rate. An increased rate of turning on entering a humid environment would increase an animals chance of re-entering a drier area. Grow in direction of gravity 2. For the first experiment, the woodlice are added in the first transparent container that is half covered by black . document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Get new experiments straight into your inbox every week!! Choice Chamber Summary Device used to investigate preferred habitats. hb```b``Vb`a` @1XiKNBo];W|t%bjv TSqa~~FoL;%/f{`q%f A"g 2019, Royal Society of Biology, 1 Naoroji Street, London WC1X 0GB Registered Charity No. You can clone a snippet to your computer for local editing. * 25 woodlice were used for the experiment because the more woodlice used increases the statistics of which condition the woodlice prefer and give a more accurate data. 3 Choice chambers: Perspex choice chambers are available from Griffin Education, priced around 50, and many schools will have them. 2019, Royal Society of Biology, 1 Naoroji Street, London WC1X 0GB Registered Charity No. Gills. T4Y - General Science . woodlice live in __. Is Nick From 7up Still Alive, Add 10 woodlice to the centre of the chamber 2. This will provide a source of material for observation as well as extending the range of microhabitats in the area. . Make sure the soil is placed enough and evenly to keep the woodlice happy when not under investigation. A kinesis is a distinct type of behavioural response from a motile organism. Alternately, behavior chambers can be purchased. Tes Global Ltd is Explain the statistical test and analyse the data, possibly in the next lesson. Also includes an assessment rubric that can be adapted to your curriculum objectives and an alternative lesson on woodlice in a maze. Why are woodlice typically used in choice chamber experiments? Taxis (plural: taxes) and kineses are two behavioural responses that animals or other motile organisms can have. Shar Jackson Children, In the second experiment 2, after the allocated 10 minutes, 2 woodlice settled in the dry area and 8 were found in the damp area. Behaviour of Wood Lice Experiment In the experiment I was offered the choice to investigate the behaviour of woodlice in a wet or dry environment or a light or dark environment. You can make small choice chambers with small Petri dishes. Ensure at Results. Replace the upper half and wait for a humidity gradient to become established; check the humidity by inserting a piece of cobalt chloride paper through each hole. Cover the chamber to exclude light as before, and record the distribution of the animals after 10 minutes. b How do groups of Tribolium or woodlice respond to a humidity gradient? Record your data in a suitable table. The damp area will be made damp via tap water as woodlice are sensitive to pH (Souty-Grosset et al, 2005). In this type of experiment an animal is placed in the middle of a choice chamber with two alternatives to either side. Kineses are random movement responses consisting of changes in the speed of movement and rate of a direction change from motile organisms in unfavourable environmental conditions. The other extreme is in the warmer temperatures the Slaters covered a large amount of distance. Jon does an experiment to find out if woodlice prefer to be in dark or light places. You can find woodlice u. They have positive (moving towards) phototaxis (taxis induced by light stimuli). C/WChoice Chambers6-Jun-14 Aims:- 4 set-up a fair test, and record results 5 make a conclusion from your results 6 say how the conclusion is limited Practical - 30 mins Prepare a choice chamber that has four sections: Wet and light Wet and dark Dry and light Dry and dark Add several woodlice Draw your set-up then . h$_%/Eh@$N /Zd f7oUX`O7ws;[p8~uS*Ty*G;ha]R1S?j6N\hF1ja-M?o|}t_~/~7o.olo y/~Ku~_ov:?{qS8}3-h~oW_~oX|x_~orOCmw~7loO_N=}mxO7>_4:f;_}Gx;`~qWWoJ!}>~S?=5_ ?=y{Sj/~g{^*zUj1o~gw}k_j#QUvn|lXz9gmq;=SlmA:G;DCd/yJ&e~m. However, if this strategy is unsuccessful, woodlice will. Add your woodlice and over time see which side they prefer over time (about 5 minutes to let them acclimatise to their surroundings). Taxis is when an animal moves toward or away from a stimulus. These activities are designed to be carried out by children working with a parent, guardian or other appropriate adult. Choice chambers are artificial man-made structures divided into compartments that present different stimuli in each division and are used to investigate how that affects animal behavior. The compartment with the highest number of animals likely simulates that animals most desirable condition in the wild for that particular environmental factor. endstream endobj startxref Following the woodlice example, in a choice chamber displaying a dark and a light compartment, woodlice display negative phototaxis and accumulate in the dark compartments. The higher speed increases the chance of the woodlice exiting the unfavourable area more quickly to another area where the temperature is more favourable and in the optimal living range. 5. Simple behaviour such as movement can help us understand what influences or controls animal behaviour. A pencil is spun to find a random direction. 4. Chambers used in schools usually consist of a clear plastic box which is divided into four or more separate sections. Kineses are random movement responses consisting of changes of speed of movement and rate of direction change from motile organisms in unfavourable environmental conditions. Fig. this experiment, I will note down the exact amount of woodlice at each side of the . Place the lid or cover on top of the platform. Speed and rate of direction turn increase, Woodlice display positive phototaxis. These animals can display both taxis and kinesis-type responses when searching for ideal living conditions in their habitat. I have a little area in my garden where my compost bins are too encourage things such as woodlice so I can easily find some so will definitely do this when we get to the letter W. thanks for sharing. Woodlice display negative phototaxis, which means they prefer the dark. Pool the class results as before. In kineses responses what of the following happens? You can then introduce small invertebrate organisms into the chamber, at different starting points, observe their movements, and record their distribution after a fixed time. This adaptation happens through responses to external and internal stimuli and ensures homeostasis. Please be sure to return the insects to the place you found them. Copyright 2022 Science Sparks - Wild Sparks Enterprises Ltd. Alissa and Maggy. Place a drying agent such as anhydrous calcium chloride, or self-indicating silica gel, in the other half. Will you pass the quiz? Woodlice may look like a type of millipede or beetle, but they are in fact related to crabs and other crustaceans! The woodlice can be dropped gently into the chamber using the hole in the lid so that they fall into the centre of the choice chamber; Record the position of the woodlice in each choice chamber after 15 minutes. Homeostasis describes the regulation and maintenance of various biological systems to support a stable internal environment. Prevents desiccation and helps woodlice hiding, Taxes are the same as Tropisms responses. . I can give an example of an animal which respond to stimuli and give an Woodlice. Attempt. A stoppered hole in the centre of the cover is best for introducing organisms to the chamber. (2) 1. ! The diagram shows the pattern of movement of the louse. Observe good hygiene procedures when handling invertebrates: do not eat or drink in the lab, wash hands with soap and water before leaving the lab, and cover any cuts or wounds. HUn@}WRK) St Pauls Place, Norfolk Street, Sheffield, S1 2JE. June 22nd, 2018 - Using A Choice Chamber To Investigate Animal Responses Method Set Up The Choice Chamber So That Do The Woodlice Tend To Go Repeat The Experiment' 'choice chamber experiments to test the pdf download august 31st, 2007 - choice chamber experiments to test the attraction of postflexion rhabdosargus holubi larvae to water Dark and moist Dark and dry Light and moist . Stop procrastinating with our study reminders. Add a fixed volume of distilled water to one side and a fixed volume of drying agent to the other. Everything you need for your studies in one place. Any large dish, divided into segments, with some fine nylon mesh as a platform and a cover to enclose the internal atmosphere will do. In a kinesis response, animals that enter unfavourable environments increase their speed and rate of direction change but will decrease that rate and move in longer straight lines if they persistently remain in the same unfavourable spot.Choice chambers are artificial compartments replicating environmental conditions used to investigate animal behaviour. Repeat by moving woodlice back to the centre of the choice chamber and repeating steps 3-4. I remember doing this at school! Your email address will not be published. Science Sparks assume no liability with regard to injuries or damage to property that may occur as a result of using the information and carrying out the practical activities contained in this resource or in any of the suggested further resources. Operation Choice chambers are used in biology lessons to see which habitat conditions specific animals prefer. True or False. Algae that move towards the light to perform photosynthesis more effectively have a bigger chance of survival. Grow away from salt 3. He sets up a choice chamber, with one side covered with black paper. . Leave for 5 minutes to equilibrate. An experiment lesson suitable for primary science or older that can be adapted or changed to use with maggots as well. on the second day of each experiment, 27% of marked woodlice and 26% of unmarked animals (N = 802) selected the drier half of the choice chamber. A choice chamber can be made with both dry and damp compartments to investigate the influence of humidity in woodlice movement. hTPn Why do woodlice prefer dark damp environments? They change their movement pattern when responding to stimuli such as temperature or food sources in their environment. Rotate the upper part through 180, check that the humidity gradient is re-established, and repeat the observations as before. However, the previous environment may affect the physiological state of the animals and influence their reaction in the choice chamber. The side that has the most of all of the woodlice is the side they prefer. It can be observed and measured, and experiments can be designed to test how it works. From this there will be proof of woodlice preference to specific environmental Your rating is required to reflect your happiness. Follow good hygiene procedures during and after handling invertebrates (Note 6). Leave to equilibrate if possible before introducing invertebrates. Choice chambers. %%EOF Science Sparks ( Wild Sparks Enterprises Ltd ) are not liable for the actions of activity of any person who uses the information in this resource or in any of the suggested further resources. After a fixed time, compare the difference between the distribution you would expect if the null hypothesis were true (woodlice distributed 50:50 between damp and dry areas) and the distribution achieved in the laboratory. Positive taxes are movement responses ______ stimuli and negative taxes are movement responses ______from stimuli. Risk Assessment Hazard Risk Safety If using a pooter, ensure tht the mouthpiece has been disinfected, and that used mouthpieces are either disinfected before re-use or disposed of. True or False. Woodlice are often used in these experiments because they are easy to find in nature and can be used to display taxis and kinesis-type responses to different stimuli. In roots of tomatoes, high concentrations of IAA inhibit cell elongation. 277981, Incorporated by Royal Charter, Investigating turn alternation behaviour of woodlice, Using a choice chamber to investigate animal responses to stimuli. Woodlice also display thigmokinesis, a movement or immobilisation response to contact stimuli. The experiment shown in the diagram was set up to investigate the conditions required for the . If this does not happen, or the animals are intended for use in choice-chamber work, it is worth seeding it with individuals of the same species the animals should look the same! These small and abundant creatures (they live everywhere except for Antarctica) are ideal for observing animal movement using techniques such as the choice chamber experiment. . Several woodlice are put into a choice chamber with four different conditions: light and dry; Tribolium castaneum (the red rust flour beetle) is commonly used in the laboratory. The beetles should move in random directions. In a kinesis-type response, when an organism senses that it has temporarily entered a more unfavourable location, it will increase its speed and rate of turning to exit the space. Observing earthworm locomotion; Practical Work for Learning . This is just to keep them happy when not under investigation as we do not want to put them under undue stress. \n'8 {GGG @* %X,45caq}W(0_uH9h\ ]*A ) Investigating the response of Calliphora larvae to light. Either species of Tribolium is suitable for these investigations. The choice chamber should offer woodlice two environments; damp or dry. Woodlice experiment conclusion example.md, Download Woodlice experiment conclusion example. . I go through how to plan and write up the practical as well as exam questions and answers linked to the experiment.For past paper questions linked to this topic click these links.https://missestruch.co.uk/Any questions or feedback please comment below :) Don't forget to subscribe.Recommended Revision and textbooks:A-levelAQA A-level Biology textbook (this is what I use at my school)- OUP https://amzn.to/2MWiFvYCGP revision guide https://amzn.to/36B26h7CGP workbook https://amzn.to/39A55YZMaths skills for A-level Biology https://amzn.to/37GaHPISynoptic essay book https://amzn.to/2ukHQ4YAQA A-level biology practical skills guide https://amzn.to/2FkUSSnA-level Year 1 workbook https://amzn.to/36s8EhEA-level Year 2 workbook https://amzn.to/2QqpmIYGCSEAQA GCSE Biology (the book I use with students at school) https://amzn.to/2sMjIrmGCSE Biology workbook https://amzn.to/2QnojJJRevision and practice questions https://amzn.to/2tvv1EqPractical skills workbook https://amzn.to/2tzo8lnGear to create videos on my blog:Go Pro Hero 7 for all practical video footage and time lapses https://amzn.to/2tzwg5mSurface Pro Laptop https://amzn.to/37zND4UToshiba 1TB external portable hard drive https://amzn.to/36qPkBtImage creditshttps://www.needpix.com/photo/106589/woodlice-terrestrial-isopods-oniscidea-animals-isopoda-rolling-wood-lice-armadillidium-vulgare-crustaceanshttps://www.needpix.com/photo/1136211/earthworms-the-frogs-perspectivehttps://commons.wikimedia.org/wiki/File:SilicaGel.jpgMusic: Soho - Riot https://youtu.be/2TdSYkyou6YDISCLAIMER: Links included in this description might be affiliate links. In choice chamber experiments it is often found that woodlice favour humid environments, and that they move quickly into these areas and then slow down. Lab Report. We decided to investigate whether woodlice, Filter paper (I just used coffee filter paper). However, the results of these observations may be inconclusive, because the beetles movements are restricted by the sides of the chamber which force turns. Water can be lost from their bodies via transpiration leaving them very vulnerable to desiccation Anselme, 2013. It is a very simple investigation to set up and one that kids loves at it involves searching for insects, and then predicting and watching. S (b) Woodlice are small animals. Wet it and place it one side of the pot. Choice chambers and mazes are often used in these experiments and woodlice and maggots are commonly the model animals A scientist called J. Cloudsley-Thompson carried out the first experiments on woodlouse behaviour One of his experiments focused on the response of woodlouse to humidity A closer look at suitable test animals can reveal fascinating patterns in their behaviour. . This supports ethical approaches in field work, where animals are returned to their habitat after observations have been made. A choice chamber allows you to change conditions in different parts of a container while keeping the animals under investigation out of direct contact with any chemicals used. . Counting the number of woodlice within each chamber determines the choice chamber results. Woodlice also display kinesis-type responses when searching for ideal temperature and humidity conditions. The experiment was set up with one choice chamber, 10 woodlouse, foil, paper, and two solutions of NaCl water, 0.9% and 10%. Salt has more effect than gravity 1c) In root tips of tomatoes, IAA is transported out of the cells by a carrier protein. If you use a lamp to establish a light/ dark gradient, the woodlice may in fact be responding to the heat of the lamp. 1. Minimise dust, avoid skin contact, and wash off hands in plenty of running water if necessary. They are frequently found under rotting logs where conditions are dark and humid. However, if this strategy is unsuccessful, woodlice will change direction less often to move in longer stretches. Home Science Experiments for Kids Biology Choice Chambers animal behaviour investigation! 1 Advance preparation: Set up a choice chamber about 30 minutes to 1 hour before observations are to take place. 20 0 obj <> endobj We assign one team to each chamber and the two teams start by conducting the same experiment. Woodlice Choice Chamber Experiment Bioenergetics Investigating Photosynthesis Biological Molecules ATP Carbohydrates Condensation Reaction DNA and RNA DNA replication Denaturation Enzymes Factors Affecting Enzyme Activity Fatty Acids Hydrolysis Reaction Inorganic Ions Lipids Measuring enzyme-controlled reactions Monomers Monomers and Polymers For both part 1 and part 2 read and find out how this apparatus was used. a Setting up a choice chamber: Place any chemicals or materials required to generate a condition gradient in the bottom layer of the chamber for example, water on one side, desiccant on the other. Trace the map onto paper and remove the animal. Woodlice are easy to obtain in large numbers, their biology is relatively simple, they are easy to culture, and the common species can usually be recognized with the naked eye: consequently they provide ideal material for student research projects. . Woodlice display negative phototaxis, preferring dark as well as damp environments as seen in the woodlice choice chamber experiment. Very cool experiment! Choice chamber Cotton wool (soaked or with water) Black paper or cloth Woodlice or maggots Timer or stopwatch A set number of the chosen animals are placed in the centre of the choice chamber. Introduce invertebrates through a hole in the centre of the lid or cover if possible, or in a way that does not favour one end of a condition gradient. Thanks for your simple explanations, and thanks for linking to Kids Get Crafty! Discover the latest study tips, tech and tools to help you study smarter, 96% of learners report x2 faster learning. In taxis, however, a motile organism can move away from unfavourable stimuli (negative taxis) or towards a favourable stimulus (positive taxis). Place 10 woodlice in the centre of the choice chamber using a spoon . However, if the organism continues in such adverse surroundings, it will decrease its turning rate (direction change); thus, moving in long straight lines and increasing the chances of reaching a more suitable environment, where the temperature might be milder. Woodlice display negative phototaxis, preferring dark as well as damp environments as seen in the woodlice choice chamber experiment. Do woodlice prefer the dark or the light? Woodlice usually show a preference for a damp environment. They eat leaves and so are. There are a variety of different voluntary or automatic responses that can be had when reacting to various stimuli. Silica gel beads can simulate a dry area because they absorb moisture from the air, while wet cotton in another compartment can replicate damp conditions. Set up a choice chamber with water and a drying agent as above. (This means that woodlice may also accumulate in a cluster in the choice chamber, or near an edge even if conditions are apparently dry and light.) Both taxis and kinesis are interlinked behavioural responses, they respond to stimulus and are found in living motile organisms like animals and insects. The damp area will be made damp via tap water as woodlice are sensitive to pH (Souty-Grosset et al, 2005). Run the investigation and collect the data. Download student sheet Using a choice chamber (62 KB) with questions and answers. You can then repeat this experiment using the dark paper to block out one side of the lid to see whether they prefer dark or light conditions. 5. Why do Woodlouse prefer dark environments? Lerne mit deinen Freunden und bleibe auf dem richtigen Kurs mit deinen persnlichen Lernstatistiken. Add food at intervals: plant material such as potato, carrot and other root vegetables cut up into medium-sized pieces. We can use a ___ to see what conditions the woodlice prefer to live in. These small and abundant creatures (they live everywhere except for Antarctica) are ideal for observing animal movement using techniques such as the choice chamber experiment.All living beings constantly adjust to their environment to survive. A taxis is a simple type of movement response by a motile organism. B-x@r_RdMz*Cu3gfNP4[?af You can rear them easily in a jar of wholemeal flour. Given a choice of light or dark, they usually show a preference for dark. 0 Woodlice are closely related to ___ rather than insects. A directional response to stimuli is called a 'taxis' (for example phototaxis, or a phototactic response). Evidence/data - The Observations A Jan 10th, 2022 This experiment was conducted to determine the relationship between the variation of traits and the natural selection and the hypothesis of this experiment was that the predator preying on the woodlice determine the speed of woodlice . The woodlice can be dropped gently into the chamber using the hole in the lid so that they fall into the centre of the choice chamber; Record the position of the woodlice in each choice chamber after 15 minutes. The humid and dark environment prevents them from desiccating (through water content loss from their skin surface) and allows them to hide from possible predators. Keep the soil moist but not waterlogged. resource, lidded pot with air holes for collecting woodlice, large lidded plastic storage box with air holes (for keeping woodlice in while creating choice trays), large tray for each group, cellophane, apples, potatoes, flat stones, different things for a woodlice colony for each group, different types of material (paper, clear plastic, dark plastic, carpet . Remove the upper part containing the animals. Collect 10 unused Tribolium beetles or woodlice. Divide each choice chamber into two sections. Our customer service team will review your report and will be in touch. Students practise manipulating the apparatus and handling the invertebrates appropriately. and more. c How do individual Tribolium or woodlice respond to humidity? 34 0 obj <>/Filter/FlateDecode/ID[]/Index[20 34]/Info 19 0 R/Length 83/Prev 114739/Root 21 0 R/Size 54/Type/XRef/W[1 3 1]>>stream 10 Jul 2012 For example, a null hypothesis might state 'Woodlice show an equal preference for damp and dry areas in the choice chamber' Run the investigation and collect the data. Kinesis is more dependent on taxis, see below to understand why. 7. The choice chamber has been left to equilibrate (to allow conditions to become stable) before introducing the woodlice. The choice chamber should offer woodlice two environments; damp or dry. Collate class results to make a statistical analysis. The filter paper was replaced in the glass arena under chamber A and chamber B. 4. Woodlouse display thigmokinesis, which is a movement response or lack thereof to contact stimuli. Attempt. Most of the animals Kineses are random movement responses. A woodlices preference for certain habitat conditions reflects in their choice of chamber division that most resembles their ideal natural environment. . This quiz is all about one simple experiment. Aquamax 205 Specifications, 3. Also includes an assessment rubric that can be adapted to your curriculum objectives and an alternative lesson on woodlice . Silica gel does not dehydrate an atmosphere as quickly as calcium chloride, but is less hazardous to manage in small quantities. Other examples include the positive chemotaxis of some bacteria that will move into regions of higher glucose concentrations, an essential source of food. June 22nd, 2018 - Using A Choice Chamber To Investigate Animal Responses Method Set Up The Choice Chamber So That Do The Woodlice Tend To Go Repeat The Experiment' 'choice chamber experiments to test the pdf download august 31st, 2007 - choice chamber experiments to test the attraction of postflexion rhabdosargus holubi larvae to water Record data in a . Write a conclusion (b) Suggest how you might improve this investigation. 0a1n Other examples include the positive chemotaxis of some bacteria that will move into regions of higher glucose concentrations, an essential source of food. results. This website and its content is subject to our Terms and Tribolium usually show a preference for the dry environment. Taxes are very similar to another kind of response by plants called tropisms.

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