MYP E-Assessments: Achieving 7s

Explain diffusion in terms of random particle movement and a concentration gradient.

Predict how temperature, concentration gradient, diffusion distance, and surface-area-to-volume ratio affect diffusion rate.

Predict the direction of water movement across a partially permeable membrane by osmosis.

Explain the effects of osmosis on plant and animal cells in solutions of different concentrations.

Explain why active transport requires energy to move substances against a concentration gradient.

Compare diffusion, osmosis, and active transport using membrane, gradient, and energy requirements.

Interpret unfamiliar experimental data about membrane transport.

Trace food through the digestive system and state the function of each major organ.

Distinguish mechanical digestion from chemical digestion using biological examples.

Explain enzyme specificity using the active-site model.

Predict how temperature and pH affect enzyme activity and denaturation.

Interpret graphs and tables from enzyme investigations.

Relate the structure of the small intestine and villi to efficient nutrient absorption.

Explain how pressure changes during ventilation move air into and out of the lungs.

Relate alveolar adaptations to efficient gas exchange by diffusion.

Use the aerobic respiration equation to explain energy release in cells.

Trace blood through the chambers of the heart, lungs, and body.

Compare arteries, veins, and capillaries in terms of structure and function.

Relate the components of blood to transport, clotting, and defence functions.

Explain how the respiratory and circulatory systems coordinate during exercise.

Distinguish communicable diseases from non-communicable diseases.

Explain how a communicable disease is transmitted and how its spread can be reduced.

Explain how physical barriers, phagocytes, antibodies, and memory cells defend the body.

Explain how vaccination produces immunity and contributes to population-level protection.

Interpret data linking risk factors to health outcomes without confusing correlation with causation.

Explain the role of negative feedback in maintaining stable internal conditions.

Apply a negative-feedback model to body-temperature or blood-glucose regulation.

Relate DNA, genes, alleles, and chromosomes to one another.

Distinguish genotype from phenotype and homozygous from heterozygous genotypes.

Use dominant and recessive alleles in monohybrid Punnett squares.

Calculate inheritance probabilities and infer possible parental genotypes from offspring data.

Distinguish inherited variation from environmentally caused variation.

Explain how mutation can create new alleles and alter phenotypes.

Explain how natural selection can produce adaptations in a population over generations.

Use evidence such as antibiotic or pesticide resistance to explain evolution by natural selection.

Classify ecological organisation as organism, population, community, or ecosystem and identify biotic and abiotic factors.

Construct and interpret food chains and food webs using arrows correctly.

Explain energy loss between trophic levels and calculate ecological transfer efficiency.

Explain how competition, predation, and mutualism can affect population size.

Interpret population data, including predator–prey cycles.

Predict how a change in one population can affect the rest of a food web.

Model the main biological processes that move carbon through the carbon cycle.

Model the main processes that move water through the water cycle.

Explain why biodiversity contributes to ecosystem stability and human wellbeing.

Explain causes and consequences of biodiversity loss.

Analyse biological evidence of human impacts such as habitat destruction, pollution, and climate change.

Compare in-situ and ex-situ conservation strategies.

Determine whether a proposed action supports conservation, sustainability, or both.

Evaluate a sustainability intervention using environmental, social, and economic considerations.

Formulate a focused biological research question containing a measurable independent and dependent variable.

Construct a testable hypothesis supported by relevant biological reasoning.

Identify independent, dependent, and controlled variables in an investigation.

Design a replicable biological method with an appropriate range, measurement procedure, and repeated trials.

Explain relevant safety, environmental, and ethical precautions for a biological investigation.

Present and process biological data using correctly formatted tables, calculations, and graphs.

Analyse patterns, relationships, and anomalies in biological data.

Draw an evidence-based conclusion and state whether the data support the hypothesis.

Evaluate an investigation's validity and reliability and propose specific methodological improvements.

Match the depth and structure of a response to MYP command terms such as describe, explain, analyse, and evaluate.

Apply biological concepts to unfamiliar diagrams, data, and real-world scenarios.

Explain how scientific knowledge is applied to address a biological issue.

Analyse environmental, social, economic, and ethical implications of a scientific application.

Evaluate a biological solution using evidence to weigh benefits, risks, and limitations.

Construct a justified Criterion D judgment supported by source information and biological reasoning.

Complete a timed mixed-criterion Biology task using deliberate planning and pacing.