biology ia ideas bacteria

Outline the Equipment, time, and resources to keep a check on its feasibility. This could be a difficult investigation to do quantitatively unless there was a longer time period available to observe growth. Tip 1: The level of interest matters. Topics about Biology, we've collected for you from our best Biology papers samples! This investigation could be a nice way to combine two standard procedures, one to estimate the rate of respiration in the soil and another to estimate the rate of growth of a plant. using potassium permanganate and heating, from a protocol from Science & plants for schools. IB Biology IA, EE on enzymes kinetics amylase using Visible spectrophotometer EE and IA on enzyme study is safe, easy and doable for IB students Starch digestion using Amylase Source for amylase from bacteria, malt or salivary amylase. Heres a useful link for ventilation rates. IA is one that has been undertaken with complete zeal and enthusiasm. Some plants grow well in coastal soils with igh salt concentrations but others don't. There are lots of practical problems to overcome, most importantly how to change the soil so that it has different amounts of respiration. Legal IB Biology IA, Hydrolysis of starch using enzyme amylase 1st Method (SL) using white tile and stop watch How changing Temp/Salt conc Controlling other factors which affect germination and collecting a large enough data set will also be good challenges for a Biology student to work out. Of course the IB guidelines on experimentation needs to be followed and written consent sought for participants. The IB advise student and teachers, each year, to avoid this sort of lab. In line with the IB Learner Profile, "Act with integrity and honesty". HL Biology IA Help! IA Biology HL 6 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. This creates fermented products. It is quite easy to record the number of individual plants / animals of a single species in a river at different distances above and below a possible source of pollution. Experimental setup:Find a xerophyte (eg. Understanding some basic biology and the processes of plant breeding can help individuals understand GMOs and their safety. Enter your email and tell us where to send them! What has inspired you to do that topic? The internal. Comparing the buffering actions of various substances: antacids, milk, sodium bicarbonate, sodium carbonate, detergents, etc. Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 9096_4208814345. tillu22. Practical work could look at the density of aphids on leaves of different shades, or bumble bee feeding on flowers of different shapes or predator prey interactions etc. Investigation of the functioning of the eyes when using paper or different electronic screens. What is the most effective way of fighting an endemic? It will be useful for students who are lost for an idea, or teachers who are looking for something to inspire a particular student. Another difficulty will be to devise a way to measure the extent of fruit ripening, or softness. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. Experimental setup:Place a corn seed in a dark cupboard with a single light source. Therefore, 5 trials with 5 samples each make up 25 samples in total. How does the concentration of zinc chloride affect the growth of plaque? Halophytes grow in Salty conditions whereas normal plants dont. 3.2 The More Data, The Better. Studying the effect of enzymes on Cheese production. However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. This is a simple experiment to carry out, but a difficult experiment to get good controlled data for. At this point, all apparatus should have been properly set-up and the experimentations should be able to commence. These criteria are Communication, Exploration, Personal Engagement, Evaluation, and Analysis. IB Biology IA Ideas wont strike out of the blue, but heres a list of 30+ IB Biology IA ideas to inspire and stimulate your grey cells! Experimental setup:In this experiment, you will expose seeds in a germinating environment to different household products solutions at increasing concentrations. The performance in internal assessment at both SL and HL is marked against common assessment criteria, with a total mark out of 24. So there we have it! There are plenty of factors to control which makes this investigation difficult and if there isn't enough data or the controls are not in place this could lead to a low mark after much work. Stomata are the areas of gas exchange in leaves. A well. This is an interesting topic of investigation which relates to osmosis and ecology. Plot this data with A on the Y-Axis and wavelength in nm on the X-axis. the Atriplex amnicola) and expose them to increasing increments of independent variables, observing how their transpiration rates change. 30 Biology IA topic ideas to get your lab report started! Ecological techniques and quadrat sampling could be used together with mapping of digging or scratching to establish whether the presence of a pet increases plant diversity or not. Perhaps another research question will be better, something linked to hormones, or to physical activity. . If you continue to use this site we will assume that you are happy with it. Of course the ideas are just ideas, nothing is specified and all the details will need to be explored and evaluated by students during their investigations. These ideas are meant to give you a little head start along this path; your final IB Biology Investigation idea is your interpretation of one. You have to show that the data has been carefully selected, and that measures have been taken to ensure that other factors which might affect the data have been controlled, by careful selection of the data used. At SL and HL levels, the performance is rated concerning a defined assessment criterion which is marked out of the score of 24. On this note, we wish you all the very best for your IB Biology IA Journey :). If the algae is green, then the maxima should be over in . One option might be to test the chemicals on small aquatic plants, or germinating seedlings, but there are challenges to overcome here too. Starting with a process which requires diffusion in living cells will help the topic to be interesting and will show some personal engagement. The stages of embryonic development. investigation should cover a topic that is commensurate with the level of the course of study. Of course there will be other factors to consider, for example local feature of the habitat where the plants are growing and the aspect of the flowers' location, not to mention grazing and grass cutting. Read more about it here, Independent Variables: Concentration of Sucrose. You certainly dont want to miss out on these! The IA explored what affect does Enzyme Trypsin has on protein Casein which is contained in milk. A limitation with an experiment that finds the relationship between sodium ion concentration and the rate of neurogenesis in the hippocampus of the brain is that its results are not applicable to other parts of the nervous system. Independent Variable:Temperature, Oxygen availability. | Teens can work to find out why certain plants present certain colors. Majority of them are restricted to the intestine This is a standard lab and the challenge will be to ensure that it is put into an interesting biological context. How does the percentage of salinity in water affect the rate of growth of radishes in mass? Its very important that you consider if whether you can apply these topics to your own life, as this shows personal engagement. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. Narrow down the subject. A quart-sized bowl works great. There needs to be some clear links to the biology of blood pressure and how exercise affects it. This would be a challenge and it would require some research before beginning. The challenge is to explain why there might be a change using biology and then to test it using some type of ecological sampling. If you are a student and wish to access these resources, ask your school to subscribe. These five biology research topics are for graduate-level students, catering specifically to those in top programs around the country: What evidence is there of a pandemic that can wipe out half of the world's population? The problem of this investigation is that it is difficult to measure rehydration or salinity. How do different concentrations of lactases affect the breakdown of disaccharides like lactose in milk effectively? If there are any ethical implications to your report, how do you plan on minimizing the environmental impact of your experiment?. Writing the IA Your introduction is about summarizing what you are doing and why you are doing it. An IB Internal Assessment is an individual assignment assessed by a subject teacher following a given set of criteria to guide, construct, and evaluate the finished assignment. Independent Variable: Age, Tiredness, Gender, Eye Colour. Unit 8, Suite V4Oakville, Ontario,CanadaL6H 1M3. There may be a combination of roles for plant roots and bacteria in the substrate and both of these link to the nitrogen cycle and so would allow for a detailed hypothesis and a focused research question. Lawrence Kok Sofia, Pancharevo, Bulgaria IB Science Teacher at Anglo American School of Sofia, AAS. 13, Comparative study between 5 different species of animals using BLAST analysis to determine evolutionary history. Comparing boys and girls for example will be impossible, unless the sample size is very large. Lower concentrations will slow respiration because of a lack of substrate. Experimental setup:Use a potometer to measure the rate of transpiration. Clearly state your interest. 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? This is a simple idea, but the explanation is more complex, and this might be the challenge of this particular investigation. CareerBuilder TIP. Bacterial Growth and Nutrition | Biology Ideas | Microbiology Media June 22, 2021 by Ruturaj Mundhe Culture media and Bacterial Growth Bacterial Growth and Culture media are solid, semisolid, and liquid nutrient preparations employed for the cultivation of microorganisms. What are you waiting for? The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. In order to do well in any science IA, you need to fulfil the criteria i.e. While having multiple trials is necessary for the investigation, each trial should also have multiple samples. Below you will find science fair project ideas primarily related to biology. Are you struggling with choosing your topic for your IB Biology IA? 29, Determining the effect of time on the plasmolysis of potatoes, 30, Exploring mollusc shapes with regards to an external variable e.g. Bacteria are single-celled microorganisms with prokaryotic cells, which are single cells that do not have organelles or a true nucleus and are less complex than eukaryotic cells. This is a list of possible sites for students to use as online labs. The release of CO2 by the body in the lungs is not simple either, factors to consider include the relative amounts of aerobic and anaerobic respiration, as well as the position of the muscles being exercised. To help you find your own topic among interesting biology research topics, we prepared some useful tips to follow. Alcohol kills bacteria by first making the lipids, which contribute to the outer protective cell membrane, more soluble in water so that the cell membrane begins to lose its structural integrity. [], We all know that scoring superbly on internal assessments is a great way to boost our IB grades. These are all genera and the specific species present definitely vary between cultures. Measuring theses factors might be tricky and will involve some testing, although using a phone camera or a video camera could help. Similarly to the experiment on the rate of decay, you can also measure how quickly fruits ripen, and which factors affect this ripening. Are you looking for some IB Biology Internal Assessment (IA) ideas? Using the pipette dropper to suck in 10 ml of the 3% hydrogen peroxide . 2, Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? How effective are synthetic antibacterial products compared to natural antibacterial products against the growth of Cut bacterium acnes? How does different concentrations of Gibberellic acid affect the germination of a dolly Parton rose? 6, How does sudden change in body position affect heart rate and baroreceptor feedback? Weaknesses like using high uncertainty apparatus should be addressed in the evaluation. Your data shall be kept until you unsubscribe. . In addition to that, the IA explores how inhibitor ethanol affects the rate of the reaction. So there we have it! While these organisms inhibit the growth of many pathogenic bacteria and are also inten- tionally employed to ferment milk to make other dairy products such as yogurt and cheese, they can also induce Experimental setup: For this experiment, combine a fixed mass of yeast with increasing concentrations of a sucrose solution and measure the rate of CO2 production! While it is an interesting idea, like the example above there are many factors to control in this investigation, which is an interesting modification of a standard lab looking at exercise. Pour the bacteria onto the solidified agar plate. There are many possible variations, perhaps the presence of animal excrement could be the causal factor, otherwise some species may be more resistant to scratching and disturbance, caged animals can selectively graze on parts of a lawn, just to mention a few ideas. Even though many of these topics led to high scores for some of our graduates in the past, it is important that you listen to the advice of your subject teacher before choosing any topic! Independent Variables: Temperature, Sunlight variation, Skimmed vs Whole, Dependent Variable: Rate of bacterial growth (on agar plates), pH of milk. Follow the steps here to extract the DNA. These ideas are for you to start exploring and begin! Independent Variable: Light exposure, Different Species, Atmospheric CO2 concentration, Dependent Variable: Stomatal density (seen under the microscope). Before we go looking for IB Biology IA ideas, lets get a clear comprehension of the IB Biology Diploma Programme Subject, its objectives, partwise breakdown, and what IB expects of you. This is nice project if there is a specific environmental gradient in the site being investigated. The procedure used should be well structured. Some suggestions of research questions may be; Is there a difference in the composition of photosynthetic pigments in the leaves of a plant found in the sun or the shade? The external assessment of biology consists of three written papers. Interactions of Bacteria and Fungi on Decomposing Litter Biology . We hope this article will serve as a foundation for you to get going on that IB Biology IA Investigation of yours! It is known that you should have at least 25 samples of data for your Biology IA, but let us explain why. How do halophyte seeds respond to increasing salt concentrations compared to normal seeds? Keep the research question brief and relevant. Extract your own DNA. This can become interesting because you can test how different conditions affect milks spoilage, Experimental setup:In this experiment, you can compare milk spoilage. It belongs to the family of Enterobacteriaceae where most of them are harmless. )/ Studying, Dependent variable:Ventilation rate. Student work is internally assessed by the teacher and externally moderated by the IB. 1: Cell Biology 1.1: Introduction to Cells 1.2: Ultrastructure of Cells 1.3: Membrane Structure 1.4: Membrane Transport 1.5: The Origin of Cells 1.6: Cell Division 2: Molecular Biology 2.1: Molecules to Metabolism 2.2: Water 2.3: Carbohydrates and Lipids 2.4: Proteins 2.5: Enzymes 2.6: DNA and RNA 2.7: DNA Replication, Transcription and Translation Once spread on the soil, compost and manure are broken down into minerals by decomposing bacteria and fungi, as well as by . Using nationally published data on epidemiology and weather data is certainly possible and it could happen that there are correlations between climate and some disease outbreaks this will need explaining in terms of the mechanisms of transmission of the specific disease. They cause our teeth to rot, shaping plaque and causing awful breath. Exploring how the Water Quality Index (WQI) is affected by water obtained from Chemical Industries/Sewage Treatment Plants. This was my Biology HL IA which was given a 21/24 by the IB. You can visit www.ibbiologytutors.com to register for a FREE demo session.. Contact, Twitter Investigate how different species of plants respond differently to environmental stimuli. Neither should the idea be too generic and nor too simplistic. For instance, if you choose to investigate how light levels affect the predation of peppered moths, you could set a background of you have gained a fascination for that species ever since it was introduced to you for some explanation in your regular classes and eventually give more scientific basis for your choice. Measuring the energy content of a packet of Cheetos 30 IB Biology IA Topic Ideas 1. Personal engagement, exploration, analysis, evaluation, and communication. Or find the correlation between the height of one's parents and their own height, then make predictions based on your findings. Biology IA Ideas with Independent Variables 1. 16, Determine the effect of glucose concentration on the rate of osmosis. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. Experimental setup:Find a few friends willing to participate and measure their ventilation rates with a respirometer (the human version) and then subject them to different stimuli. If youre looking for guidance on how to actually write an IA once youve chosen your topic, check out our IA Checklist post! reply. Photo. Biology HL IA Idea Proposal - Bacteria vs Fertilizer Course Biology HL Institution Queensland Academy Of Science, Mathematics And Technology This is a detailed proposal for a HL Biology IA complete with a full methodology, research question, and basic Introduction. For strict autotrophic organisms - Only inorganic compounds. There are also many factors to consider in the type of reaction speed test that is used and there are also problems associated with the learning of the skill during the experiment. Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. Download our 2022 Biology IA Guide (Checklist) to help write the perfect Internal Assessment. Experimental Setup: Focus on how leaves in different conditions vary in their stomatal density. To make the experiment more detailed, students can rub collected samples on filter paper to observe which plants present which colors. Plant project studies allow us to learn about plant biology and potential usage for plants in other fields such as medicine, agriculture, and biotechnology. A 125ml bottle of nutrient agar contains enough to fill about 10 petri dishes. Another simple biology experiment involves going into your natural environment, such as a local park, to observe diversity among plant samples. Remember any participants will need to give written consent before any experimenting, and the mild stress of exam conditions must be harmless. This is an interesting quantitative method to estimate glucose concentration. Grab ideas, see examples and create own perfect Biology essay and research paper! However it could be really interesting to compare simple behaviour in animals. Take inspiration from these and research further to land on that one idea that gets you going! Lots of plant ideas in the questions and answers It is also possible to use this method to study glucose levels in ripening fruit, lactase activity in milk producing glucose or maltase activity in germinating seeds. IB Biology curriculum expects you to appreciate scientific problems in a global context with stimulating opportunities, and IB Biology IAs help you accomplish just that. Ensuring that there is enough data will also be important as there are likely to be quite a few other factors which will need controlling or considering at least. Pay attention to one that is interesting for you, and that you might have ideas on how to develop the topic on. This investigation is Design an experiment to investigate a factor which affects the precision of colour vision, age, tiredness, gender, eye colour, etc.

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