NERDC · 45 topics

Biology

G3N tutors you through the full NERDC Biology syllabus offline — from Theme 1: Living and Non-living Things, Theme 2: Basic Body Structures, Theme 3: Animals and Their Habitats and more — with adaptive lessons, instant quizzes, flashcards and exam-ready summaries.

Syllabus

What you’ll cover in Biology.

The complete topic outline G3N teaches, mapped to the NERDC curriculum.

Primary 4

5 topics
Theme 1: Living and Non-living Things
  • Characteristics of Living Things
    • Define living things as organisms that breathe, feed, grow, reproduce, and respond to environment
    • Identify characteristics: movement (internal and external), respiration (gas exchange), growth (increase in size), reproduction (producing offspring), sensitivity (responding to stimuli), homeostasis (maintaining internal conditions), nutrition (obtaining food)
    • Distinguish between living things (animals, plants, microorganisms) and non-living things (water, rocks, air, furniture)
    • Identify living things in different habitats: water, land, air, soil
    • Observe and describe movement in different animals (running, flying, swimming, crawling)
    • Identify plants as living things that produce their own food using sunlight
    • Understand that all living things are interconnected in ecosystems
    • Classify organisms by habitat and characteristics
Theme 2: Basic Body Structures
  • Human Body Parts and Functions
    • Identify major external body parts: head, neck, trunk (chest and abdomen), limbs (arms and legs)
    • Locate and name internal organs: brain (controls body), heart (pumps blood), lungs (breathing), stomach (digestion), intestines (absorption)
    • Understand the function of bones: support the body, protect organs, allow movement
    • Identify major bones: skull (protects brain), ribs (protect heart and lungs), spine (protects spinal cord)
    • Describe muscles: attached to bones, allow movement, powered by food energy
    • Explain the skin as protective covering with sense receptors
    • Understand the five senses: sight (eyes), hearing (ears), taste (tongue), smell (nose), touch (skin)
    • Describe the digestive system path: mouth → esophagus → stomach → small intestine → large intestine
Theme 3: Animals and Their Habitats
  • Animal Diversity and Habitats
    • Classify animals into vertebrates (with backbone) and invertebrates (without backbone)
    • Identify vertebrate groups: mammals (fur, live birth), birds (feathers, lay eggs), reptiles (scales, lay eggs), amphibians (wet skin, two habitats), fish (gills, water-dwelling)
    • Describe invertebrates: insects (six legs), spiders (eight legs), worms (segmented body)
    • Identify habitats: forest, grassland, desert, ocean, freshwater, arctic
    • Describe animal adaptations to habitats: camouflage (color matching), nocturnal behavior (active at night), migration (seasonal movement)
    • Explain food chains: producers (plants) → consumers (animals) → decomposers
    • Identify herbivores (eat plants), carnivores (eat meat), omnivores (eat both)
    • Describe animal behaviors: feeding, nesting, migration, hibernation
Theme 4: Plants and Their Parts
  • Plant Structure and Growth
    • Identify plant parts: roots (absorb water and nutrients), stem (support and transport), leaves (make food), flowers (reproduction), fruits (contain seeds)
    • Describe roots: grow downward, absorb water and minerals from soil, anchor the plant
    • Explain the stem: transports water and nutrients, supports leaves and flowers, can store food
    • Describe leaves: contain chlorophyll (green pigment), capture sunlight, make food through photosynthesis
    • Identify flowers: contain male parts (stamens producing pollen) and female parts (pistils producing seeds)
    • Explain fruit development: forms around seeds after flower is pollinated
    • Describe seed structure: embryo (baby plant), stored food, protective coat
    • Understand seed dispersal: wind, water, animals, and exploding pods
Theme 5: Health and Hygiene
  • Personal Health and Disease Prevention
    • Define health as a state of physical, mental, and social well-being
    • Explain hygiene: keeping body and surroundings clean
    • Identify personal hygiene practices: bathing, hand-washing, brushing teeth, clean clothes
    • Describe food hygiene: washing food before eating, keeping food clean, proper storage
    • Understand food safety: freshness dates, avoiding contaminated food
    • Explain disease transmission: through touch, airborne droplets, contaminated food/water
    • Identify common communicable diseases: colds, flu, measles, malaria
    • Describe disease prevention: vaccination, hand-washing, covered coughs, mosquito control

Primary 5

5 topics
Theme 1: Ecology and Ecosystems
  • Organisms and Their Environment
    • Define ecology as the study of organisms and their environment
    • Explain ecosystem components: biotic (living organisms) and abiotic (non-living factors: water, air, soil, sunlight)
    • Describe the water cycle: evaporation (water to vapor), condensation (vapor to liquid), precipitation (rain), collection
    • Explain the carbon cycle: plants absorb CO2 → animals eat plants → respiration releases CO2
    • Describe the nitrogen cycle: nitrogen from soil → plants → animals → bacteria return to soil
    • Identify biomes: tropical rainforest (hot, wet), temperate forest (moderate climate), grasslands (grasses, herbivores), desert (dry), tundra (frozen)
    • Explain adaptation: body features and behaviors that help organisms survive
    • Describe competition: organisms competing for food, water, space, light
Theme 2: Human Systems
  • Advanced Body Systems
    • Explain the nervous system: brain (control center), nerves (carry messages), receptors (detect stimuli)
    • Describe reflex actions: automatic responses like pulling hand from heat
    • Identify the endocrine system: produces hormones (chemical messengers)
    • Explain the reproductive system in basic terms: humans have male and female reproductive organs
    • Describe the excretory system: removes waste through sweat (skin), urine (kidneys), feces (intestines)
    • Understand the immune system: white blood cells fight infections and disease
    • Identify lymph nodes and spleen: filter harmful organisms
    • Explain vaccination: trains immune system to fight diseases
Theme 3: Reproduction and Growth
  • Life Cycles and Development
    • Define reproduction: process of producing offspring
    • Distinguish asexual reproduction (one parent) and sexual reproduction (two parents)
    • Describe animal life cycles: egg → larva/nymph → pupa/metamorphosis → adult
    • Explain insect metamorphosis: complete (egg-larva-pupa-adult) and incomplete (egg-nymph-adult)
    • Describe amphibian life cycle: egg (in water) → tadpole (aquatic larva) → froglet → adult frog
    • Explain bird life cycle: egg → chick → feathered bird → adult
    • Describe mammal reproduction: internal fertilization, live birth, milk production
    • Identify plant life cycle: seed → seedling → mature plant → flowering → seed production
Theme 4: Microorganisms
  • Bacteria, Fungi, and Viruses
    • Define microorganisms: tiny living things visible only with microscope
    • Describe bacteria: single-celled, prokaryotic, rod-shaped or spherical, reproduce by division
    • Identify beneficial bacteria: yogurt production, nitrogen fixing in soil, decomposition
    • Explain harmful bacteria: cause diseases like typhoid, cholera, tuberculosis
    • Describe fungi: molds, yeasts, mushrooms, feed on dead organic matter
    • Identify beneficial fungi: edible mushrooms, yeast for bread/beer
    • Explain harmful fungi: cause diseases like athlete's foot, ringworm, plant diseases
    • Describe viruses: non-living particles that infect cells, cause colds, flu, measles
Theme 5: Nutrition and Digestion
  • Food, Nutrients, and Digestion
    • Define nutrition: obtaining and using food for energy and growth
    • Identify nutrient categories: carbohydrates (energy source), proteins (building muscle), fats (energy storage), vitamins (disease prevention), minerals (bone health), fiber (digestion), water (life essential)
    • Explain carbohydrates: sugars and starches, found in grains, fruits, potatoes
    • Describe proteins: amino acids, found in meat, eggs, beans, nuts
    • Identify fats: saturated (animal products) and unsaturated (plant oils)
    • Explain vitamin sources: Vitamin A (eye health, carrots), Vitamin C (immune, citrus), Vitamin D (bones, sunlight)
    • Describe mineral functions: calcium (bones), iron (blood), iodine (thyroid)
    • Explain digestion: breaking down food into absorbable nutrients

Primary 6

5 topics
Theme 1: Evolution and Classification
  • Taxonomy and Natural Selection
    • Define evolution: gradual change in organisms over time
    • Explain natural selection: organisms with advantageous traits survive and reproduce more
    • Describe adaptation: traits that help organisms survive in their environment
    • Identify evidence of evolution: fossils, similar body structures, DNA similarities
    • Explain adaptation examples: giraffe necks (reach high leaves), polar bear fur (insulation), chameleon color (camouflage)
    • Define taxonomy: scientific classification of organisms
    • Explain binomial nomenclature: genus and species naming system
    • Describe classification levels: Kingdom → Phylum → Class → Order → Family → Genus → Species
Theme 2: Human Reproduction
  • Reproductive Systems and Development
    • Identify male reproductive system: testes (produce sperm), penis (delivers sperm), scrotum (protective sac)
    • Describe female reproductive system: ovaries (produce eggs), fallopian tubes (egg transport), uterus (fetal development), vagina (birth canal)
    • Explain menstruation: monthly shedding of uterine lining (approximately 28-day cycle)
    • Describe ovulation: release of egg from ovary (mid-cycle)
    • Explain fertilization: sperm and egg nucleus combine to form zygote
    • Describe fetal development: zygote → morula → blastocyst → embryo → fetus
    • Identify placental functions: nutrient and oxygen transfer to fetus, waste removal
    • Explain gestation: approximately 9 months (280 days) of development
Theme 3: Genetics and Heredity
  • Inheritance and Genes
    • Define genes: units of hereditary information controlling traits
    • Explain chromosomes: thread-like structures carrying genes (humans have 46)
    • Describe DNA: deoxyribonucleic acid, molecule carrying genetic code
    • Explain alleles: different versions of the same gene
    • Identify dominant traits: expressed even with one allele
    • Describe recessive traits: only expressed with two recessive alleles
    • Explain Mendelian inheritance: predictable trait inheritance patterns
    • Identify homozygous: identical alleles for a trait
Theme 4: Disease and Health
  • Disease Prevention and Health Maintenance
    • Define disease: abnormal condition affecting health
    • Classify communicable diseases: transmissible between people (colds, flu, malaria, typhoid)
    • Identify non-communicable diseases: not spreading (diabetes, heart disease, cancer, asthma)
    • Explain disease vectors: organisms transmitting disease (mosquitoes for malaria, ticks for Lyme disease)
    • Describe disease symptoms: signs indicating illness (fever, cough, rash)
    • Identify disease transmission: direct contact, airborne, water-borne, food-borne
    • Explain vaccination: safe introduction of weakened pathogen to develop immunity
    • Describe first aid: initial treatment for injuries (wound cleaning, bandaging, ice for swelling)
Theme 5: Conservation and Sustainability
  • Environmental Protection
    • Define conservation: wise use and protection of natural resources
    • Explain sustainability: meeting current needs without harming future generations
    • Identify endangered species: organisms at risk of extinction
    • Describe habitat destruction: primary cause of extinction
    • Explain biodiversity loss: reduction in species variety
    • Identify renewable resources: resources naturally replenished (forests, water, sunlight)
    • Describe non-renewable resources: finite resources (fossil fuels, minerals)
    • Explain pollution types: air (smoke, emissions), water (chemical dumping), soil (pesticides)

JSS 1

5 topics
Theme 1: Cell Structure and Function
  • Cell Biology and Organization
    • Define cells as the basic unit of life
    • Distinguish prokaryotic cells (bacteria, no nucleus) from eukaryotic cells (nucleus-containing)
    • Identify cell membrane: selective barrier controlling substance passage
    • Describe nucleus: contains genetic material (DNA), controls cell activities
    • Identify mitochondria: energy-producing organelle (ATP generation)
    • Explain ribosome function: protein synthesis site
    • Describe endoplasmic reticulum: rough (protein synthesis), smooth (lipid synthesis, detoxification)
    • Identify Golgi apparatus: modifies and packages proteins
Theme 2: Photosynthesis
  • Plant Nutrition and Light Energy Conversion
    • Define photosynthesis: process converting light energy to chemical energy
    • Write the photosynthesis equation: 6CO₂ + 6H₂O + light energy → C₆H₁₂O₆ + 6O₂
    • Identify chlorophyll: green pigment capturing light in thylakoids
    • Explain light-dependent reactions: occur in thylakoids, produce ATP and NADPH
    • Describe photolysis of water: splitting H₂O molecules releasing electrons and oxygen
    • Explain electron transport: electrons moving through protein complexes
    • Identify light-independent reactions (Calvin cycle): occur in stroma, use ATP/NADPH to fix CO₂
    • Describe carbon fixation: CO₂ combining with RuBP (5-carbon sugar)
Theme 3: Respiration
  • Cellular Energy Release
    • Define respiration: controlled breakdown of organic compounds releasing energy
    • Write aerobic respiration equation: C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + 2,900 kJ energy
    • Describe glycolysis: glucose splits into 2 pyruvate molecules (10 ATP produced initially, 2 ATP net gain)
    • Explain the Krebs cycle (citric acid cycle): acetyl-CoA oxidized completely, generates CO₂ and electron carriers
    • Describe electron transport chain: electrons transfer energy, creates proton gradient
    • Identify ATP synthase: produces ATP from ADP using proton gradient
    • Explain anaerobic respiration: occurs without oxygen
    • Describe lactate fermentation: pyruvate converted to lactate (muscle fatigue)
Theme 4: Nutrition and Transport
  • Digestive and Circulatory Systems
    • Define holozoic nutrition: ingestion, digestion, absorption, assimilation, egestion
    • Identify salivary glands: produce amylase enzyme breaking down starch
    • Describe stomach function: secretes pepsin (protein digestion), hydrochloric acid, churns food
    • Explain small intestine role: primary digestion and absorption site (bile for fat, pancreatic enzymes)
    • Identify large intestine: water absorption, feces formation
    • Describe enzyme specificity: each enzyme catalyzes specific substrate
    • Identify cofactors: ions (Mg²⁺, Zn²⁺) required for enzyme activity
    • Explain blood composition: plasma (55%), red cells (carry O₂ via hemoglobin), white cells (immunity), platelets (clotting)
Theme 5: Excretion and Homeostasis
  • Waste Removal and Internal Regulation
    • Define excretion: removal of nitrogenous waste from metabolism
    • Identify kidney structure: cortex (filtration), medulla (reabsorption), pelvis (collects urine)
    • Describe ultrafiltration: small molecules forced from blood into Bowman's capsule under pressure
    • Explain selective reabsorption: glucose, amino acids, ions, water returned to blood
    • Identify osmoregulation: kidney controls water reabsorption via ADH hormone
    • Describe kidney functions: regulating water-salt balance, pH regulation, removing urea
    • Explain dialysis: artificial kidney for failed kidneys
    • Identify skin's excretory role: sweat removal of water, salts, urea

JSS 2

5 topics
Theme 1: Coordination and Control
  • Nervous and Endocrine Systems
    • Identify neuron parts: dendrite (receive impulses), cell body (nucleus), axon (transmit impulses), synaptic knobs
    • Explain synapse: junction between neurons, uses neurotransmitters for signal transmission
    • Describe central nervous system (CNS): brain and spinal cord processing information
    • Identify peripheral nervous system (PNS): nerves connecting CNS to body
    • Explain somatic nervous system: controls voluntary muscles
    • Describe autonomic nervous system: controls involuntary functions (heart rate, digestion, breathing)
    • Identify sympathetic division: fight-or-flight response (increases heart rate, dilates pupils)
    • Describe parasympathetic division: rest-and-digest (decreases heart rate, increases digestion)
Theme 2: Reproduction
  • Sexual Reproduction and Gamete Formation
    • Define sexual reproduction: requires two parents, produces genetically diverse offspring
    • Identify meiosis: cell division producing four haploid gametes from one diploid cell
    • Explain crossing over: exchange of genetic material between homologous chromosomes
    • Describe independent assortment: random distribution of chromosome pairs to daughter cells
    • Define spermatogenesis: continuous production of sperm in seminiferous tubules (testosterone-regulated)
    • Explain oogenesis: cyclic production of eggs in ovarian follicles (FSH and LH regulation)
    • Identify primary spermatocyte/oocyte: diploid cells entering meiosis I
    • Describe secondary spermatocyte/oocyte: haploid cells after meiosis I
Theme 3: Inheritance and Variation
  • Mendelian Genetics and Genetic Variation
    • Explain Mendel's First Law: alleles segregate during meiosis, one to each gamete
    • Describe Mendel's Second Law: independent assortment of different gene pairs
    • Define monohybrid cross: crossing organisms differing in one trait
    • Explain Punnett square: visual representation of allele combinations
    • Describe dihybrid cross: crossing organisms differing in two traits (9:3:3:1 ratio)
    • Identify test cross: crossing dominant phenotype with recessive homozygote to determine genotype
    • Explain chi-square test: statistical analysis of genetic data
    • Describe linked genes: genes on same chromosome inherited together
Theme 4: Ecology and Populations
  • Population Dynamics and Community Interactions
    • Define population: individuals of same species in area at given time
    • Explain population growth: births minus deaths, plus/minus migration
    • Describe exponential growth: J-shaped curve with unlimited resources
    • Identify logistic growth: S-shaped curve with environmental limits
    • Define carrying capacity: maximum sustainable population size
    • Explain density-dependent factors: disease, competition, predation (increase with population)
    • Identify density-independent factors: weather, natural disasters (independent of population size)
    • Describe community: multiple interacting species in area
Theme 5: Food Chains and Energy Flow
  • Energy Transfer Through Ecosystems
    • Define food chain: linear sequence of organisms transferring energy
    • Identify trophic levels: producers (plants), primary consumers (herbivores), secondary consumers (carnivores), tertiary consumers (apex predators)
    • Explain energy flow: ~10% energy transfer between trophic levels (90% lost as heat)
    • Describe biomass: dry mass of organisms at each trophic level (decreases upward)
    • Identify food web: interconnected food chains showing ecosystem complexity
    • Explain ecological pyramid: visual representation of energy/biomass decrease with trophic level
    • Describe detritivores: organisms consuming dead organic matter (bacteria, fungi, detritus feeders)
    • Identify primary productivity: rate of organic matter production by producers

JSS 3

5 topics
Theme 1: Ecology and Conservation
  • Ecosystem Management and Environmental Protection
    • Define succession: predictable change in community composition over time
    • Explain primary succession: colonization of bare substrate (rocks, volcanic ash)
    • Describe secondary succession: recovery after disturbance (fire, deforestation)
    • Identify pioneer species: first colonizers (lichens, mosses, grasses)
    • Explain climax community: stable final community after succession
    • Describe biodiversity: species diversity, genetic diversity, ecosystem diversity
    • Identify biodiversity hotspots: areas with exceptional species concentration
    • Explain extinction: permanent loss of species from Earth
Theme 2: Environmental Challenges
  • Pollution and Climate Change
    • Define pollution: introduction of harmful substances into environment
    • Describe air pollution: primary (direct emissions) and secondary (chemical reactions)
    • Identify pollutants: particulate matter (PM2.5, PM10), nitrogen oxides (NOx), sulfur dioxide (SO₂), carbon monoxide (CO), ozone (O₃)
    • Explain acid rain: SO₂ and NOx forming sulfuric and nitric acid
    • Describe water pollution: agricultural runoff (nutrient loading), industrial discharge, municipal sewage
    • Identify eutrophication: nutrient excess causing algal bloom and oxygen depletion
    • Explain soil pollution: pesticide residues, heavy metals, persistent organic pollutants
    • Describe greenhouse effect: atmospheric gases trap heat (CO₂, CH₄, N₂O)
Theme 3: Human Health and Disease
  • Epidemiology and Disease Management
    • Define disease: disruption of normal biological functions
    • Classify transmissible diseases: bacterial (TB, typhoid), viral (flu, HIV/AIDS), fungal (athlete's foot), parasitic (malaria, schistosomiasis)
    • Describe non-transmissible diseases: cancer, diabetes, cardiovascular disease, asthma
    • Identify epidemiology: study of disease distribution and determinants
    • Explain transmission routes: direct contact, airborne droplets, contaminated food/water, vector-borne
    • Describe disease prevention: sanitation, vaccination, quarantine, health education
    • Identify public health measures: disease surveillance, outbreak response, epidemic control
    • Explain risk factors: smoking, poor diet, sedentary lifestyle, unsafe sex, substance abuse
Theme 4: Biotechnology
  • Genetic Engineering and Applications
    • Define biotechnology: application of biological organisms/systems to develop products
    • Explain genetic engineering: direct DNA manipulation using restriction enzymes and DNA ligase
    • Identify recombinant DNA: DNA from different sources combined
    • Describe gene cloning: amplification of specific DNA sequences using PCR (polymerase chain reaction)
    • Explain genetically modified organisms (GMOs): organisms with inserted foreign genes
    • Identify GMO applications: crop improvement (herbicide resistance, drought tolerance), medicine (insulin production)
    • Describe DNA fingerprinting: individual identification using DNA markers
    • Explain forensic applications: crime scene investigation using DNA evidence
Theme 5: Human Biology Applications
  • Medicine, Nutrition, and Lifestyle
    • Define nutrition: obtaining and using nutrients for energy, growth, repair
    • Describe metabolic disorders: diabetes (insulin deficiency/resistance), obesity (energy imbalance)
    • Identify vitamins: fat-soluble (A, D, E, K) and water-soluble (B-complex, C) functions
    • Explain mineral roles: calcium (bones), iron (oxygen transport), iodine (thyroid), sodium (nerve function)
    • Describe protein quality: essential amino acids, complementary proteins, protein efficiency ratio
    • Identify drug categories: antibiotics (bacterial infection), antivirals (viral infection), analgesics (pain), hormones (regulation)
    • Explain drug resistance: mutations in pathogenic organisms reducing drug effectiveness
    • Describe lifestyle factors: exercise (cardiovascular health), sleep (immune function), stress management (mental health)

SSS 1

5 topics
Theme 1: Introduction and Organization
  • Biology Fundamentals
    • Definition, scope, and branches of biology
    • Characteristics of living things
    • Levels of biological organization
    • Biology and society
    • Career opportunities in biology
  • Cell Biology
    • Cell structure and ultrastructure
    • Prokaryotic and eukaryotic cells
    • Cell organelles and functions
    • Cell membrane and transport
    • Diffusion, osmosis, and active transport
Theme 2: Diversity and Classification
  • Taxonomy and Evolution
    • Classification systems and taxonomy
    • Kingdom, phylum, class, order, family, genus, species
    • Binomial nomenclature
    • Major phyla of animals
    • Concept of evolution and adaptation
Theme 3: Nutrition
  • Autotrophic and Heterotrophic Nutrition
    • Photosynthesis: light and dark reactions
    • Factors affecting photosynthesis
    • Autotrophic organisms and food production
    • Heterotrophic nutrition: types and examples
    • Holozoic and saprophytic nutrition
  • Nutrition in Humans
    • Digestive system and organs
    • Digestion of carbohydrates, proteins, and fats
    • Absorption and assimilation
    • Balanced diet and nutrition
    • Malnutrition and deficiency diseases
Theme 4: Respiration and Energy
  • Cellular Respiration
    • Aerobic respiration and stages
    • Anaerobic respiration and fermentation
    • Energy yield from respiration
    • Factors affecting respiration rate
Theme 5: Transport in Organisms
  • Circulatory Systems
    • Transport in plants (xylem and phloem)
    • Transport in animals: blood and circulation
    • Heart structure and function
    • Blood components and functions
    • Blood vessels and blood flow

SSS 2

5 topics
Theme 1: Excretion and Osmoregulation
  • Homeostasis and Excretion
    • Excretory systems in different organisms
    • Kidney structure and function
    • Urine formation and osmoregulation
    • Liver and excretion
    • Skin and thermoregulation
Theme 2: Coordination and Control
  • Nervous and Endocrine Systems
    • Nervous system organization
    • Neurons and synaptic transmission
    • Brain and spinal cord structure
    • Reflexes and reflex arcs
    • Endocrine glands and hormones
    • Hormone actions and regulation
Theme 3: Reproduction
  • Asexual and Sexual Reproduction
    • Asexual reproduction in plants and animals
    • Sexual reproduction advantages
    • Gametogenesis (oogenesis and spermatogenesis)
    • Fertilization and development
    • Human reproductive systems
    • Reproductive health and STIs
Theme 4: Genetics and Inheritance
  • Heredity and Genetic Principles
    • Mendelian inheritance
    • Dihybrid cross and independent assortment
    • Genetic linkage and mapping
    • Sex-linked inheritance
    • Mutations and genetic variation
Theme 5: Ecology
  • Organisms and Environment
    • Ecology: definition and scope
    • Habitat, niche, and population
    • Population dynamics and growth
    • Community structure and interactions
    • Succession and ecological stability

SSS 3

5 topics
Theme 1: Ecosystems and Biomes
  • Ecosystem Ecology
    • Energy flow and trophic levels
    • Food chains and food webs
    • Nutrient cycles (carbon, nitrogen, phosphorus)
    • Biotic and abiotic factors
    • Biomes and their characteristics
Theme 2: Conservation and Biodiversity
  • Environmental Biology
    • Biodiversity and extinction
    • Conservation strategies
    • Sustainable resource management
    • Environmental pollution and contamination
    • Conservation organizations and initiatives
Theme 3: Applied Biology
  • Biotechnology and Medicine
    • Genetic engineering and GMOs
    • Biotechnology applications
    • Microorganisms in industry
    • Medical applications of biology
    • Public health and disease control
Theme 4: Animal and Plant Physiology
  • Advanced Physiology
    • Detailed organ system functions
    • Physiological adaptations
    • Plant physiology (growth, tropism, photoperiodism)
    • Animal behavior and communication
    • Ethology and behavioral ecology
Theme 5: Cellular and Molecular Biology
  • Cell and Molecular Processes
    • Cell division (mitosis and meiosis)
    • DNA structure and replication
    • Gene expression and protein synthesis
    • Cellular regulation and signaling
    • Stem cells and development
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