location on shore. IA is one that has been undertaken with complete zeal and enthusiasm. Most strands of this bacteria are found to be harmless and even healthy to be part of the human digestive system, however some strands can cause to the development of serious problems like . Pour 250 ml hydrogen peroxide of 3% concentration into the 300 ml glass beaker. Background Information: There are a lot of microscopic organisms and other miniaturized scale creatures living in our mouth. 17, What is the effect of pests on the diversity of plants in a lawn? What brand of laundry detergent is the most effective in the digestion and removal of lipid stains? Does it matter what type of light the plant is exposed to affect the growth of auxin? Many methods are possible, and there has been some very recent research suggesting that antibiotics can affect the growth of seeds and plants.ref P.W. Paper 2 contains short-answer and extended-response questions on the core (and Additional Higher Level (AHL) material . Understanding how a particular abiotic factor affects the biodiversity in a habitat. 1678+ Video tutorials, 1226+ PDF IB Resources, 195+ Sample IAs, 148+ EEs, 8777+ Sample questions, 653+ quizzes, IB At Lanterna we have hundreds of tutors who smashed Biology. In order to do well in any science IA, you need to fulfil the criteria i.e. Heres a useful link for ventilation rates. Comparing the buffering actions of various substances: antacids, milk, sodium bicarbonate, sodium carbonate, detergents, etc. Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. You certainly dont want to miss out on these! 29, Determining the effect of time on the plasmolysis of potatoes, 30, Exploring mollusc shapes with regards to an external variable e.g. Halophytes and Xerophytes have different adaptations to control transpiration rates, how do they each respond to temperature changes? Every year the examiners' report mentions problematic Investigations, those which are unethical, or standard labs which are not applied to any specific interest. I investigated the change in mitotic index that occurred in onion root tips when they germinated in solutions of differing K+ ion concentration. When looking for information, be sure to seek information from institutions and agencies that share science-based, objective results. | 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. If youre looking for guidance on how to actually write an IA once youve chosen your topic, check out our IA Checklist post! Fear not, we have elite Biology tutors that can assist you through the process IB Maths is a struggle for most people going through their diploma. Similarly to the experiment on the rate of decay, you can also measure how quickly fruits ripen, and which factors affect this ripening. Look no further; at Nail IB, we have assembled premium content for you to ace your IBs, and you might want to check out our resources for a smooth IB experience. Student work is internally assessed by the teacher and externally moderated by the IB. Stuck for Ideas planning your Biology IA? You can visit www.ibbiologytutors.com to register for a FREE demo session.. Of course, you can use any of our topics for free. Use it to spread the bacteria across the surface of the Petri dish while rotating it. If you continue to use this site we will assume that you are happy with it. Starting at deep purple, and ending at far red, write down the A values. However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. Independent Variable: Light exposure, Different Species, Atmospheric CO2 concentration, Dependent Variable: Stomatal density (seen under the microscope). )/ Studying, Dependent variable:Ventilation rate. How does the percentage of salinity in water affect the rate of growth of radishes in mass? Interactions of Bacteria and Fungi on Decomposing Litter Biology . This study could be an investigation of how effectively the toothpaste inhibits the growth of bacteria according to the scale of the chemicals in the toothbrush. Internal assessment criteria the new assessment model uses five criteria to assess the final report of the individual investigation with the following raw marks and weightings assigned: Complete this form and well match you with a Tutor to help you master your EE! Clearly state your interest. 2. Browse. Click here to reset it. We are available: Mon-Fri 9am-7pm CESTSat 10-5pm CESTSun 12-5pm CEST. Brian and also Louis G. Nickell and Alexander C. Finlay in the Journal of agricultural and Food chemistry, 2015. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. It is known that you should have at least 25 samples of data for your Biology IA, but let us explain why. Independent Variable:Temperature, Oxygen availability. Comparing boys and girls for example will be impossible, unless the sample size is very large. The challenge is to explain why there might be a change using biology and then to test it using some type of ecological sampling. Proper research on your part is a bare minimum, and the rest follows. Observe how changing the colour of the light source impacts the success of phototropism! It is imperative to acknowledge the safety protocols as established by IB and consider the ethical aspects of your investigation. At lower pH levels of 4.0 - 5.0, lactic acid bacteria can grow and pro- duce lactic acid. This is a standard lab and the challenge will be to ensure that it is put into an interesting biological context. which are specifically designed for self study and revision. Ingredients: transparent glass, salt, liquid soap, grapefruit juice, and alcohol (e.g. Look no further; at Nail IB, we have assembled premium content for you to ace your IBs, and you might want to check out our resources for a smooth IB experience. tillu22. Reply The problem of this investigation is that it is difficult to measure rehydration or salinity. The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. 2.1.2 Salt Doenjang is incubated at different salt concentration, controlled by the amount of sodium chloride dissolved in 100 ml of . Passion is fundamental in research, after all. Test the stomatal density of different leaves exposed to variable conditions using a microscope. Copyright 2023 Nail IB. The Aim answers Why while the Research Question answers the What. using potassium permanganate and heating, from a protocol from Science & plants for schools. Independent Variable: Age, Tiredness, Gender, Eye Colour. The video breaks down the c. IB Elite Academy online tutors provides hundreds of IB Biology IA ideas at both IB Biology higher level, IB Biology standard level. InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at Before we dive more in-depth, you might want to check out our, to own your Biology SL papers! Hurry, this offer ends on January 17th! Atriplex amnicola) and expose them to increasing increments of independent variables, observing how their transpiration rates change. Experimental setup:Follow this link to find out more about colour blindness and how to investigate it. In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. The first step consists of spitting on the glass and adding a pinch of salt to it. An ideal IA idea is one that reeks of originality and leaves room for proper investigation and analysis in the process. Plot this data with A on the Y-Axis and wavelength in nm on the X-axis. For strict autotrophic organisms - Only inorganic compounds. It might seem like a lot of work, but with the right topic in hand, you will go beyond your expectations! . 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. 15. SIENE IA UIDE 8 info@lanternaeducation.com 23. Still feeling a bit uneasy about the task ahead? Don't do it! Writing the IA Your introduction is about summarizing what you are doing and why you are doing it. I did one on predator-prey relationships and in the end I modelled two sine graphs. Tip 1: The level of interest matters. An important thing to note here is that although you are allowed to take inspiration from existing research, papers/journals, you are expected to give a novel perspective to the idea while producing it in your investigation. They investigate the hypothesis that. 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 with current laws and regulations, you can unsubscribe at any time by clicking on the link in Challenges: Being consistent in assessing the fruit ripeness. Subject to the conditions provided for by applicable Along with a bundle of, with helpful examples! This investigation might sound simple at a first glance but there are many difficulties to overcome in terms of controlled variables and the method of measuring the CO2. Can the max performance be measured best using max heart rate or maximum speed? However it could be really interesting to compare simple behaviour in animals. Browse these for more information! In paper 1 there are 30 (at SL) or 40 (at HL) multiple-choice questions. The biological functions of water. By submitting this form, I agree to the data entered being used by Nail IBNSW for sending But how do antibiotics affect the growth or successful germination of plants? Bananas lend themselves to this because their skin changes colour. In line with the IB Learner Profile, "Act with integrity and honesty". This was my Biology HL IA which was given a 21/24 by the IB. What effect do conditions, such as temperature, sunlight have on the rate of spoilage. 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. This is a great idea, but it could be complex and time consuming depending on the lab. This looks like an interesting topic of study. The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score.