Project 56

MYP Biology Activities

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Cells & Cell Transport

Cell structure, organelles, diffusion, osmosis, and active transport.

Biochemistry

Nutrition, food groups, food tests, enzymes, and digestion.

Gas Exchange & Transport

Lungs, alveoli, ventilation, heart, blood vessels, and plant transport.

Respiration

Aerobic and anaerobic respiration, fermentation, and energy release.

Photosynthesis

Light reactions, limiting factors, leaf adaptations, and uses of glucose.

Pathogens & Disease

Bacteria, viruses, fungi, protists, immunity, and vaccination.

Evolution & Variation

DNA, genetics, Punnett squares, natural selection, and speciation.

Nervous Control

Neurons, reflex arcs, synapses, the brain, and reaction time.

Hormonal Control

Endocrine system, blood glucose, diabetes, and thermoregulation.

Ecology

Ecosystems, food webs, carbon cycle, and biodiversity.

Human Impact

Climate change, pollution, deforestation, agriculture, and conservation.

Biotechnology

Genetic engineering, GM organisms, selective breeding, cloning, and fermentation.

Reproduction

Sexual and asexual reproduction, gametes, menstrual cycle, plant reproduction.

Plant Biology

Photosynthesis, leaf structure, transpiration, tropisms, required practicals.

Investigation Skills

Variables, hypothesis, method design, data reliability, and evaluation.

Criterion B/C

Flashcards

Review key concepts and definitions with spaced repetition.

SRS

📖 Formula Booklet

Official MYP Biology formula reference & key data.

Reference

Leaderboard

See how you rank against other students.

Top 20

📋 Assessment Criteria Guide

Understand Criteria A–D: what examiners look for, band descriptors, and tips for each level.

Assessment

Past Paper Generator

IB-style exam papers with context-based multi-part questions across all topics.

Full Papers & Practice

Progress Dashboard

View your stats across all topics and activities.

Your Progress

Past Paper Generator

IB MYP eAssessment Style

Full Paper Mode

Context-based questions (one per topic), 120 minutes + 5 min reading time, IB grade 1-7.

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Cells & Cell Transport

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Lessons

Cell Structure

Organelles, plant vs animal cells, and microscopy.

Lesson

Cell Transport

Diffusion, osmosis, and active transport.

Lesson

Practice

Cells Practice

Organelles, magnification, mitosis, and transport questions.

Cells Practice

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Key Facts Reference

Biochemistry

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Lessons

Nutrition

Food groups, balanced diet, energy, and deficiency diseases.

Lesson

Food Tests

Iodine, Benedict's, biuret, and ethanol emulsion tests.

Lesson

Digestive System

Organs, enzymes, and the breakdown of food.

Lesson

Enzymes

Biological catalysts, lock and key model, temperature, and pH effects.

Lesson

Practice

Biochemistry Practice

Nutrition, food tests, enzymes, digestion, and calorimetry.

Biochemistry Practice

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Key Facts Reference

Gas Exchange & Transport

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Lessons

Gas Exchange

Lungs, alveoli, ventilation, and breathing mechanics.

Lesson

Circulatory System

Heart, blood vessels, and blood components.

Lesson

Plant Transport

Xylem, phloem, transpiration, and translocation.

Lesson

Practice

Gas Exchange Practice

Lungs, alveoli, blood vessels, heart, and plant transport.

Gas Exchange Practice

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Key Facts Reference

Respiration

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Lessons

Respiration

Aerobic and anaerobic respiration, fermentation, and energy release.

Lesson

Practice

Bioenergetics Practice

Covers both Respiration & Photosynthesis - equations, rates, and key concepts.

Photosynthesis

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Lessons

Photosynthesis

Light reactions, limiting factors, leaf adaptations, and uses of glucose.

Lesson

Practice

Bioenergetics Practice

Covers both Photosynthesis & Respiration - equations, limiting factors, and rate experiments.

Bioenergetics Practice

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Pathogens & Disease

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Lessons

Pathogens & Disease

Types of pathogens and how diseases spread.

Lesson

Immune System

Defence mechanisms, white blood cells, and vaccination.

Lesson

Practice

Pathogens Practice

Pathogen types, immune response, vaccination, and antibiotics.

Pathogens Practice

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Evolution & Variation

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Lessons

Genetics Introduction

DNA, genes, chromosomes, and Punnett squares.

Lesson

Evolution

Natural selection, speciation, and evidence for evolution.

Lesson

Practice

Evolution Practice

Punnett squares, DNA, genotypes, and evolution questions.

Evolution Practice

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Nervous Control

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Lessons

Nervous System

Neurons, reflex arcs, synapses, and the brain.

Lesson

Practice

Homeostasis Practice

Reflex arcs, neurones, synapses, and reaction time.

Hormonal Control

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Lessons

Hormonal Control

Endocrine system, blood glucose, diabetes, and thermoregulation.

Lesson

Practice

Homeostasis Practice

Hormones, blood sugar, temperature regulation, and kidneys.

Homeostasis Practice

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Ecology

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Lessons

Ecosystems

Food webs, energy pyramids, and nutrient cycles.

Lesson

Biodiversity

Species diversity, conservation, and sampling methods.

Lesson

Practice

Ecology Practice

Food webs, carbon cycle, biodiversity, and sampling calculations.

Ecology Practice

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Human Impact

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Lessons

Climate Change

Greenhouse effect, global warming, evidence, and mitigation.

Lesson

Human Impacts

Deforestation, agriculture, bioaccumulation, and conservation.

Lesson

Practice

Human Impact Practice

Climate change, pollution, eutrophication, deforestation, and conservation.

Human Impact Practice

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Biotechnology

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Lessons

Genetic Engineering

Restriction enzymes, plasmids, GM organisms, and gene therapy.

Lesson

Cloning & Selective Breeding

Selective breeding, natural clones, SCNT, and Dolly the sheep.

Lesson

Practice

Biotechnology Practice

Genetic engineering, GM organisms, cloning, breeding, and fermentation.

Biotechnology Practice

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Investigation Skills

Criterion B & C Practice

Practice

Investigation Practice

Variables, hypothesis, method design, reliability, graphs, and evaluation.

Reproduction

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Reproduction Practice

Sexual & asexual reproduction, gametes, menstrual cycle, plant reproduction.

Practice

Reproduction Practice

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Plant Biology

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Plant Hormones

Tropisms, auxin, phototropism, and commercial uses of plant hormones.

Lesson

Plant Biology Practice

Photosynthesis, leaf structure, transpiration, tropisms.

Practice

Plant Biology Practice

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Investigation Practice

IB MYP Criterion B/C

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DNA & RNA Practice

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Punnett Squares Practice

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Food Tests Practice

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Microscope Calculations Practice

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Enzyme Kinetics Practice

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Heart & Circulation Practice

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Nervous System Practice

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Classification Practice

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Photosynthesis Calculations Practice

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Osmosis & Water Potential Practice

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Food Webs & Energy Practice

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Human Impact & Sustainability Practice

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Biology Leaderboard

Top students

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Progress Dashboard

Your biology stats

Learning Pathway

Your guided route through Biology

MYP Biology

Formula Sheet & Key Data

For use during the course and in examinations

Cell Biology & Microscopy

Magnification\(M = \dfrac{I}{A}\)
Actual size\(A = \dfrac{I}{M}\)
Image size\(I = A \times M\)
Surface area to volume ratio\(\text{SA:V} = \dfrac{\text{Surface Area}}{\text{Volume}}\)

M = magnification, I = image size, A = actual size. Units must be consistent (usually μm or mm).

Ecology & Populations

Population density\(\text{Pop. density} = \dfrac{\text{Number of individuals}}{\text{Area}}\)
Population growth rate\(\text{Growth rate} = \dfrac{\text{Final} - \text{Initial}}{\text{Initial}} \times 100\%\)
Percentage cover\(\% = \dfrac{\text{Area covered by species}}{\text{Total area}} \times 100\)
Lincoln index (capture–recapture)\(N = \dfrac{n_1 \times n_2}{m}\)

N = estimated population, n₁ = first sample marked, n₂ = second sample total, m = recaptured marked individuals.

Genetics & Inheritance

Monohybrid ratio (heterozygous cross)\(3 : 1\) (phenotypic)
Dihybrid ratio (heterozygous cross)\(9 : 3 : 3 : 1\) (phenotypic)
Test cross ratio (heterozygous)\(1 : 1\) (phenotypic)

Use Punnett squares to determine genotype and phenotype ratios.

Photosynthesis & Respiration

Photosynthesis\(6\text{CO}_2 + 6\text{H}_2\text{O} \xrightarrow{\text{light}} \text{C}_6\text{H}_{12}\text{O}_6 + 6\text{O}_2\)
Aerobic respiration\(\text{C}_6\text{H}_{12}\text{O}_6 + 6\text{O}_2 \rightarrow 6\text{CO}_2 + 6\text{H}_2\text{O} + \text{energy}\)
Anaerobic (animals)\(\text{glucose} \rightarrow \text{lactic acid}\)
Anaerobic (yeast)\(\text{glucose} \rightarrow \text{ethanol} + \text{CO}_2\)

Enzymes

Rate of reaction\(\text{Rate} = \dfrac{1}{\text{time taken}}\)
Temperature coefficient (\(Q_{10}\))\(Q_{10} = \dfrac{\text{rate at } (T+10)}{\text{rate at } T}\)

Breathing & Gas Exchange

Breathing rate\(\text{BR} = \dfrac{\text{number of breaths}}{\text{time (min)}}\)
Tidal volumeVolume of air in a normal breath (\(\approx 0.5\;\text{dm}^3\))
Vital capacityMaximum volume exhaled after maximum inhalation

Key Data

Light microscope magnificationUp to \(\times 1500\)
Electron microscope magnificationUp to \(\times 500{,}000\)
Typical animal cell\(10\text{–}30\;\mu\text{m}\)
Typical plant cell\(10\text{–}100\;\mu\text{m}\)
Typical bacterium\(1\text{–}5\;\mu\text{m}\)
1 mm\(= 1000\;\mu\text{m}\)
1 μm\(= 1000\;\text{nm}\)

© International Baccalaureate Organization

Flashcards

Spaced repetition review