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Revision as of 16:56, 24 June 2019
Main Page - Science Subject - Science Key Stage 4 - Biology Key Stage 4
Contents
- 1 Cell Biology
- 2 Transport systems
- 3 Health, disease and the development of medicines
- 4 Non-communicable diseases in humans
- 5 Coordination and control
- 6 Photosynthesis
- 7 Ecosystems
- 8 Inheritance, variation and evolution
Cell Biology
Prokaryotic and eukaryotic cells
Prokaryotic Cells
Organelles
Eukaryotic Cell
Organelles
Membrane Bound Organelles
Microscopes
Culturing Micro-organisms
Growth and development of cells
Cell Cycle
Cell Differentiation
Meiosis
Cell Metabolism
Enzymes
GCSE Biology Required Practical: Enzyme Rates of Reaction
Respiration
Nutrients
Transport systems
Transport in cells
GCSE Biology Required Practical: Osmosis in Plant Tissue
Transport systems in multicellular organisms
Digestive System
Digestion
GCSE Biology Required Practical: Food Tests
Human circulatory system
Breathing System
Transport systems in plants
Health, disease and the development of medicines
Health and Disease
Communicable diseases
Human Defences Against Micro-Organisms
Higher
Plant Diseases
Plant Defences Against Micro-Organisms
Treating, curing and preventing disease
Preventing Infection
Treating infection
Medicine Development
Non-communicable diseases in humans
Risk Factors in Disease
Reducing Chances of Disease
Coordination and control
Nervous coordination and control in humans
Nervous System
Hormonal coordination and control in humans
Endocrine System
- Endocrine Gland
- Hormones
- Adrenalin - Higher
- Anti-diuretic Hormone - Higher
- Glucagon
- Insulin
- Human Growth Hormones
- Control Hormones
- Thyroxine - Higher
- Testosterone
- Oestrogen
- Progesterone - Higher
- Follicle Stimulating Hormone - Higher
- Luteinising Hormone - Higher
- Target Organ
- Negative Feedback - Higher
- Reproductive Hormones
- Testosterone
- Oestrogen
- Follicle Stimulating Hormone - Higher
- Luteinising Hormone - Higher
- Progesterone - Higher
- Menstrual Cycle
- Contraception
- Fertility Treatment
Plant Hormones
- Plant Hormones
- Auxin
- Gibberellin - Higher
- Ethene - Higher
- Tropic Responses
GCSE Biology Required Practical: Tropic Effects on Seedling Growth
Homeostasis in Humans
Negative Feedback
Homeostasis
- Osmoregulation - effects on cells
- Thermoregulation
- Blood Glucose Regulation (glucagon in higher)
Photosynthesis
Importance of photosynthesis
GCSE Biology Required Practical: Factors Affecting the Rate of Photosynthesis
Ecosystems
Levels of organisation within an ecosystem
- Organism
- Population
- Biological Community
- Habitat
- Ecosystem
- Abiotic Environmental Factors
- Biotic Environmental Factors
- Feeding Relationships
- Competition
- Interdependence
- Survival of the Fittest
The principle of material cycling
Pyramids of biomass and transfer through trophic levels
Trophic Levels
Biodiversity
GCSE Biology Required Practical: Measuring Population in a Habitat
Human Effect on Ecosystems
Some of the biological challenges of increasing food yields using fewer resources
- Food Production - changing diet, pests, pathogens, environmental change, genetic modification, improved agricultural techniques.
Inheritance, variation and evolution
Reproduction
- Reproduction
- Asexual Reproduction - advantages/disadvantages
- Sexual Reproduction - advantages/disadvantages
- Mutation
The genome and gene expression
Genetics
- Genome - importance in medicine
Genotype
- DNA
- Nucleotide
- Gene
- Gene Expression - Higher - variants due to different proteins
- Protein Synthesis - Higher
- Coding DNA - Higher
- Non-coding DNA - Higher - switch
- Chromosome
Phenotype
Inheritance
- Inheritance
- Punnett Square
- Genetic Cross Diagram
- Pedigree Chart
- Inherited Disorder
- Sex Determination
- Mendel
Variation and evolution
- Variation - mutation as the source
- Development of the Theory of Evolution
- Speciation
- Charles Darwin
- Natural Selection
- Speciation
- Evidence for Evolution
Classification
Selective breeding and gene technology
- Selective Breeding
- Genetic Engineering
- Cloning
- Genetically Modified Organism - process is higher, ethics