Read More About Lanterna's Tutors You are free to explore a range of topics for this IB biology task, including: Still feeling a bit uneasy about this IB biology task? Fear not, we have elite Biology tutors that can assist you through the process. So there we have it: 30 Biology IA topic ideas to get your lab report started! location on shore The IB Biology Internal Assessment Exploring mollusc shapes with regards to an external variable e.g. Determining the effect of time on the plasmolysis of potatoesģ0. How do different antibiotics interact with the process of seed germination?Ģ9. Investigating the effect of different light intensities on water weedsĢ8. Exploring effect of light levels on the predation of the peppered mothĢ7. Exploring the effect of sunlight on biomassĢ6. Investigating the effect of smoke water on the germination and growth of E.pilularisĢ5. Testing the effectiveness of toothpaste typesĢ4. Exploring stomatal density in a variety of conditionsĢ3. The effect of temperature / light on fruit ripeningĢ2. Testing the effectiveness of different types of toothpaste in inhibiting the growth of different types of bacteria.Ģ1. What is the difference in the CO2 levels exhaled before and after enduring physical exercise?Ģ0. What is the effect of isotonic drinks on rehydration and recovery after exercise?ġ9. ![]() What is the effect of pests on the diversity of plants in a lawn?ġ8. Determine the effect of glucose concentration on the rate of osmosis.ġ7. Analysing the impact of river pollution on marine life.ġ6. What is the respective change of allele frequency when initial frequencies are manipulated?ġ5. Comparative study between 5 different species of animals using BLAST analysis to determine evolutionary historyġ4. What happens after the best-by date of dairy products?ġ3. What is the effect of the salt concentration on germination of different types of seeds?ġ2. Can we slow down the decaying times of vegetables? Can temperature, humidity, or exposure to sunlight affect how quickly vegetables decay? Need Inspo for Physics too? Check out some Physics IA ideas here!ġ1. Do our reaction times slow down with age?ġ0. How do the buffering actions of milk, yogurt, juices, detergents etc. How do the respiration rates of baker’s yeast and wine yeast in various sugar solutions compare?Ĩ. How does sudden change in body position affect heart rate and baroreceptor feedback?ħ. Effect of BMI on skin surface temperature in various body areas on rate of recovery once exposed to cold.Ħ. How does varying the gel concentrations of agarose affect DNA migration through a gel?ĥ. Describe how the primary productivity of algae changes with temperature, algae concentration, other aquatic plants, salinity, nutrients, and any other variables you may want to consider.Ĥ. Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight?ģ. Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains.Ģ. ![]() What are you waiting for? Make sure you get an A in your IB biology IA! Get Your Tutor Today Biology IA Ideas with Independent Variablesġ. They can help you with the specific independent variables you're studying and help you to effectively understand the content through tailored personal engagement. They know exactly how to get a 7 in your IA and exam and can give you tips and tricks on how you can do the same. Get Support for your Biology IA from a Top Tutor TodayĪt Lanterna we have hundreds of tutors who smashed Biology. Your IB biology IA needs to be carefully considered and suited to your interests.Įven 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! NOTE: These topics are purely meant as inspiration and are not to be chosen blindly. Luckily, there’s so many great topics to choose from, and we've asked some of our top team to note down some topics that might inspire your own incredible research! ![]() Finding a topic is one of the - if not THE - most important part of writing your IA, so we want to make sure that you get it right! Are you struggling with choosing a research question for your IB Biology IA?ĭon’t worry, we’ve all been there.
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