Top 100 Biology Topics | Thesis Writing Ideas Natural selection - lab bench Which type of water fleas escape predators best? Stir these together well: -teaspoon agar (1 1/5 grams)
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. Independent Variables: Temperature, Sunlight variation, Skimmed vs Whole, Dependent Variable: Rate of bacterial growth (on agar plates), pH of milk. How would changing (storage) temperatures affect the rate of change of pH of different types of milk due to spoilage? An ideal IA idea is one that reeks of originality and leaves room for proper investigation and analysis in the process. LinkedIn, IBDP Maths: Applications & Interpretation, Changes in the Biology Guide for 2025 exams, Video introduction to Learning activities, Distance learning using InThinking Biology, Setting written tasks using pdf worksheets, Teacher activity - Mastering student access, The origin of cells and cell division 1.5 + 1.6, Molecular biology: Activities for Learning, Molecules to metabolism - planning sheet 2.1, Carbohydrates and Lipids - planning sheet 2.3, Structure of DNA and RNA - planning sheet 2.6, Hairy Hands - genetics of mid-digital hair, Genetic modification - planning sheet 3.5, Species & communities - Planning sheet 4.1, Classification of biodiversity - planning 5.3, Reclassification of figworts using cladistics, Emergency room activity - enzyme inhibition, Electron transport chain - revision games, HL Plant Biology - Activities for Learning, Reproduction in plants - planning sheet 9.4, HL Animal Physiology Activities for Learning, Antibody & vaccination - planning sheet 11.1, Sexual Reproduction - 11.4 planning sheet, Option A - Neurobiology - Activities for learning, Neuropharmacology HL - planning sheet A.5, Option B - Biotechnology and bioinformatics, Organisms in industry Topic - Planning sheet B1, Batch fermentation and continuous culture, Biotechnology in agriculture - planning sheet B2, Cryptic messages - bioinformatics introduction, Environmental protection - planning sheet B3, Option C - Ecology Activities for learning, Species & communities - planning sheet C1, Communities & Ecosystems - planning sheet C2, Conservation of biodiversity - planning sheet C4, Option D - Human physiology Activities for learning, Respiratory gases - planning sheet HL D.6, Individual investigation - skills introduction, IA avoiding common errors - model answers, IA Experiments that could be done at home, Investigating strawberries with a glucose test meter. It is important to set the Research Question in the background of the chosen topic. To what extent does the mass of sodium nitrate powder have an effect on the quality of beef as a preservative. . 17, What is the effect of pests on the diversity of plants in a lawn? (16 More IB Resources), See Profile. HL Biology IA Help! The different pH levels are pH 1, 3, 5, 7, 11, and 14. 0. it might even be possible to use mesocosms to perform this investigation as these would make it easier to control more of the other variables. Perhaps some form of experiment using isotonic solutions on slightly dehydrated muscle tissue from a chicken leg, or liver would work. A well planned, structured, and executed IA is one that has been undertaken with complete zeal and enthusiasm. 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. These ideas are for you to start exploring and begin! Some plants grow well in coastal soils with igh salt concentrations but others don't. We know that our topic has to be somewhat related to the syllabus, but where should we focus? Photo. Selecting an IBxq Biology IA idea has never been easier! 5, Effect of BMI on skin surface temperature in various body areas on rate of recovery once exposed to cold. The focus is on the parts of the cell and the interaction of the cytoplasm and the membrane as the topic ideas below show: The Pros And Cons Of The Cytoskeleton System Through The Lens Of Cell Motility. Antibiotics are chemicals that kill or inhibit the growth of bacteria and are used to treat bacterial infections. Homemade extraction of your own DNA. A full experimental setup can be found on this link. Download our Guide: How to Write a Perfect Biology IA (Click Here), If youre interested in getting additional support for your Biology IA, we have a team of expert IB Biology tutors that can help you plan, structure and execute your assignment. IA Biology HL 6 Take inspiration from these and research further to land on that one idea that gets you going! 13, Comparative study between 5 different species of animals using BLAST analysis to determine evolutionary history. How does the shade of a leaf relate to the composition of photosynthetic pigments it contains? While having multiple trials is necessary for the investigation, each trial should also have multiple samples. Measuring the energy content of a packet of Cheetos 30 IB Biology IA Topic Ideas 1. Report. . Email length need to be from 5 to 40 characters, Password length need to be from 5 to 40 characters. 20, Testing the effectiveness of different types of toothpaste in inhibiting the growth of different types of bacteria.https://qa.lanterna.com/wp-content/uploads/2019/04/Biology-Revision-Guide-213x300.png, 21, The effect of temperature / light on fruit ripening, 22, Exploring stomatal density in a variety of conditions, 23, Testing the effectiveness of toothpaste types, 24, Investigating the effect of smoke water on the germination and growth of E.pilularis, 25, Exploring the effect of sunlight on biomass, 26, Exploring effect of light levels on the predation of the peppered moth, 27, Investigating the effect of different light intensities on water weeds. Experimental setup:construct a seed germination experiment with different seeds and add increasing solutions of NaCl, observing the impact of increasing salt concentration in different seeds. It is very easy to extract DNA at home just using everyday kitchen supplies. reply. IB Elite Academy online tutors provides hundreds of IB Biology IA ideas at both IB Biology higher level, IB Biology standard level. IA Overview. Perhaps another research question will be better, something linked to hormones, or to physical activity. You. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. Investigate how different species of plants respond differently to environmental stimuli. 6 years ago.
IB Biology IA Ideas (30+ Topics) - Nail IB These are just some of the questions which will need answering. Your data shall be kept until you unsubscribe. Registration confirmation will be emailed to you.
Independent Variable: Different household cleaning products/increasing concentrations of cleaning product. How do the factors temperature and light intensity that affect photosynthesis balance out each other when it comes to the time taken for photosynthesis to occur? Read more here, Dependent Variable: Rate of transpiration (measure with a Potometer), Challenges: Getting the plants, Setting up a Potometer. Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. Biological explanations could look at the way we grow, and if the brain changes size at the same rate as the lungs. You can extract your own DNA from your saliva, or you can use any fruit or vegetable you can find at home bananas and strawberries are some of the most popular at science fairs. To measure the rate, you can either measure how quickly different species grow, or one of the other factors described below. Dont worry, weve all been there. When it comes to selecting from several IB Biology IA ideas for your investigation, it is essential to note that your IA would either require you to: Carry out an experimental investigation in the laboratory or Draw interpretation from a credible database or Make a detailed analysis using a simulation/modeling. Using a previously characterized and described abdominal model to define the avian immune response to Salmonella intra-abdominal challenge in chickens, we have adapted this technique for the study of chickens' immune response to a Campylobacter intra-abdominal challenge. On 10/25/2014 at 9:58 AM, AndovarEdoras said: On 10/25/2014 at 9:02 AM, mariiia said: you can do something with the rate at which cells/bacteria/etc multiply, which I think is population growth so it would involve natural logarithms and exponential curves at least. These proportions make enough nutrient agar to prepare two petri dishes. It is known that you should have at least 25 samples of data for your Biology IA, but let us explain why. newsletters and promotional offers. Here the challenge is the exploration section. Biology Labs Online have the potential for making biology education more interactive, effective, and fun!Biology Labs Online is a collaboration between the California State University system and Pearson, Inc.You can access these here https://sciencecourseware.org/BiologyLabsOnline/ (Thanks to Sarah Kelley for the link), Lab bench fly breeding lab Breeding Drosophila, fruit flies. 1. 3.2 The More Data, The Better. Ingredients: transparent glass, salt, liquid soap, grapefruit juice, and alcohol (e.g. For 5,000 years or more, humans have mixed flour and water, waited for the mixture to ferment, and when it was good and sour and full of gas, used it as leavening to make dough rise. This investigation tries to establish a pattern between the weather and the spread of a disease. Experimental Setup:Grow germinating seed in environments with different types of diluted antibiotics, see how many succeed in each environment. Processes such as diffusion and osmosis as well as the effect of chemicals on components of cell membranes, or on enzymes could be included in the theory. 3. It is possible to establish a theoretical link between mild stress and adrenaline (epinephrine) which will affect features in the body including pupil size but it is not possible to directly measure the level of any hormones in the body. Along with a bundle of Past Papers, these premium SL notes include guides for your Extended Essay and Internal Assessments with helpful examples! Stuck for Ideas planning your Biology IA?
Unraveling topoisomerase IA gate dynamics in presence of PPEF and its If you insist on trying this then be sure to cover the control of variables, there are a lot which can affect the heart. 24. Check out this link for more details, Independent variables: Age of participant/Age + sensory stimuli (how to hearing, seeing and touch-based reaction rates change), Dependent Variables: Time taken to catch ruler between fingers /Time taken to clap when they see light, Challenges: getting enough people to get reliability, controlling variables, Different diseases spread at different rates in different weather conditions depending on how they are passed between organisms (Skin contact, Blood-Blood contact, Cross-species barriers). Originally Answered: what are some examples of good biology IA's? The difficulty begins with identifying the genres in a scientific way. Topics about Biology, we've collected for you from our best Biology papers samples! Does the behaviour of an animal change as the population increases? The greatest challenge in this investigation is getting a large enough data set which takes into consideration enough of the factors which need to be controlled.
PDF Biology Internal Assesment Higher Level When looking for information, be sure to seek information from institutions and agencies that share science-based, objective results. Independent Variable: Temperature, Salts, Humidity, Oxygen availability, Dependent Variable: Rate of Decay measured by pH, mass or temperature change. Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. Bananas lend themselves to this because their skin changes colour. At SL and HL levels, the performance is rated concerning a defined assessment criterion which is marked out of the score of 24. Auxin hormone is largely responsible for controlling the direction of plant growth. How does different conditioners affect the strength of hair? , its objectives, partwise breakdown, and what IB expects of you. Biology IA Checklist for HL & SL The International Baccalaureate Biology Internal Assessment makes up 20% of the final grade achieved by Biology HL and Biology SL students.
Biology HL IA Idea Proposal - Bacteria vs Fertilizer - Stuvia IB Biology IA Ideas wont strike out of the blue, but heres a list of. 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: Halophyte seed vs Normal Plant seed. Using paper chromatography to analyse the various dyes present in different brands of jelly candy. Weaknesses like using high uncertainty apparatus should be addressed in the evaluation. Citing documents/web pages and giving references is another important aspect of your IA that needs to be taken care of. The importance of agricultural microbiology. Below is a list of 30+ topic ideas for Biology Internal Assessment: Assessment of the effect of temperature on the vitamin C content of various juices What effect can quick shifts in body posture have on baroreceptor feedback and pulse rate? the
30 Biology IA Topic Ideas! | Lanterna Education Blog Read more about it here. Toothpaste is labelled according to how natural or how chemical the contents are. There are obviously many different factors influencing the rate of ventilation, you can investigate which those are!
30 Biology IA Topic Ideas! | Lanterna Education Blog Of course, you can use any of our topics for free. Independent Variable:Temperature, Oxygen availability. This creates fermented products. For your privacy and protection, when applying to a job online, never give your social security number to a prospective employer, provide credit card or bank account information, or perform any sort of monetary transaction. Student work is internally assessed by the teacher and externally moderated by the IB. Sitting in that quiet corner, sipping on hot chocolate hoping it rains IB Biology IA ideas, instead, going blank and utterly confused? The distinctive features of human physiology. Independent Variable: Age, Tiredness, Gender, Eye Colour.
HL Biology IA (23/24) - The Science Codex In paper 1 there are 30 (at SL) or 40 (at HL) multiple-choice questions. There should be a distinct maxima in the curve, that is the most sensitive wavelength, and is the one you should use for all your experiments.
Bacteria - Definition, Shapes, Characteristics, Types & Examples There could be some biology theory applied to the plants leaves, or roots. My IA was on bacteria by the way if you have any questions. To make matters worse, on top of just doing the dreaded maths exam, were also expected to write a Maths IA exploration into a topic of our choice! Nice to see you here. What effect does temperature have on the ripening process of a fruit?. opening the floodgates to that sweet 45! Experimental setup:Use a potometer to measure the rate of transpiration. How do halophyte seeds respond to increasing salt concentrations compared to normal seeds? Place all 5 of the red apples into the test tubes (1 piece for each test tube). 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! 18, What is the effect of isotonic drinks on rehydration and recovery after exercise?
Lab Work - BIOLOGY FOR LIFE This investigation relies on the recording of abiotic data and data about the stage of the flowering cycle using the number of flowers / fruit / buds etc in a single species at different altitudes up a mountain. Narrow down the subject. should include all the normal conventions of d.p. You can visit www.ibbiologytutors.com to register for a FREE demo session.. IB Acronym Glossary - Please help IB Community :) Investigation of the functioning of the eyes when using paper or different electronic screens. IA Advice & Ideas; Help! The intra-abdominal Campylobacter infection model facilitates the characterization of peripheral blood leukocyte . Perhaps one of these other variables will be a better variable to investigate instead of music. This is a standard lab and the challenge will be to ensure that it is put into an interesting biological context.
Antibiotics | Microbes and the human body | Microbiology Society 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. Dont panic weve got you covered. This FREE guide reveals the most powerful information for boosting your extended essay score and However it could be really interesting to compare simple behaviour in animals. The 80 Most Common IB Biology Exam Questions! Exploring how the height of plants is affected by Nitrogen or Fluoride based fertilizers used. Observe how changing the colour of the light source impacts the success of phototropism! Facebook In this post, we outline the different necessary components. Pease comment on broken links and suggest alternative ideas in the comments. State your hypothesis; it is important in the context of your research. Athletes perform better if they warm up properly before an event. This is a list of possible sites for students to use as online labs. Experimental Setup: Focus on how leaves in different conditions vary in their stomatal density. Lawrence Kok Sofia, Pancharevo, Bulgaria IB Science Teacher at Anglo American School of Sofia, AAS.
IB EE on the effect of pH and salt on the growth of - Issuu Antibiotics are used to treat plants for bacteria. Would soil pH effect the enzymes in the seed responsible for germination, is there another explanation? For strict autotrophic organisms - Only inorganic compounds. This is a great idea, but it could be complex and time consuming depending on the lab. Introduction Increasing sucrose concentration makes more sugar available for Cell Respiration but it also draws water out of yeast by osmosis, which could kill it. A quart-sized bowl works great. You will find 100 topics on various subjects below. Perform the relevant analysis, keeping in mind the research question, and conclude. How effective are synthetic antibacterial products compared to natural antibacterial products against the growth of Cut bacterium acnes? For this experiment, youll investigate how different variables affect the rate of decay! So there we have it! Dependent Variable: Degree of growth of plant towards a light source. Different abiotic factors affect the growth of different plants, test the different conditions and then note how plant species change in their presence. 2. assessment, worth 20% of the final assessment, consists of one scientific investigation. The bacterial component shows more variation, including representation from Acetobacter and Gluconacetobacterto turn ethanol into acetic acid (giving the sour, vinegar flavor)as well as Lactobacilluslactic acid-producing bacteriain some instances. Posted October 26, 2015.
IB Biology IA Ideas Different abiotic factors affect the growth of different plants, test the different conditions and then note how plant species change in their presence. Before we go looking for IB Biology IA ideas, lets get a clear comprehension of the. After use of the cell phone, bacterial contamination of the physicians" hands was found in 38 out of 40 cases.In this experiment of prokaryotes students take samples from their mobiles phones and grow prokaryote colonies on agar plates. 30+ New IB Biology IA Ideas. 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. Of course the underlying processes are controlled by enzymes, or the fruit ripening hormone ether. www.thinkib.net. A clear RQ is essential and there are quite a few possibilities.
DP Biology: Mobile phone bacteria experiment The role of a warm up in sport is clear. The internal assessment requirements are the same for biology, chemistry and physics. disinfectant, rum, vodka, etc.). Are you looking for some IB Biology Internal Assessment (IA) ideas? Soil respiration can be measured using a CO2 probe and a data logger the same equipment could be used to measure the rate of photosynthesis, although growth (or photosynthesis) can be measured in other ways too. It could be used in a wide range of labs. test HL - mark scheme, Animal physiology - test HL - mark scheme, Topic 2 - Molecular biology revision activities, Topic 3 - Genetics SL revision activities, Topic 5 - Evolution SL revision activities, Topic 6 - human physiology SL revision activities, Topic 7 - Nucleic acids HL revision activities, Topic 8 - Metabolism HL revision activities, Topic 9 - Plant biology HL revision activities, Topic 10 - Genetics HL Revision activities, Topic 11 - Physiology HL Revision activities, Option A - Neurobiology - Revision activities, Option D - Human Physiology Revision activities, Membrane structure & function quiz 1.3 & 1.4, DNA replication, transcription, translation quiz 2.7, Evolution - natural selection quiz 5.1 & 5.2, Humans - digestion and absorption workout, IA investigation - teachers marks summary, Extended Essay titles and research questions, Extended essay - self review quiz for students, EE supervisor roles - during the writing process, EE supervisor roles - feedback on a draft.