Contents

Characteristics and classification of living organisms

Organisation of the organism

Cells under the microscope

Movement into and out of cells

Biological molecules

Food tests

Enzymes

Enzymes

Plant nutrition

Human nutrition

Transport in plants

Transport in animals

Diseases and immunity

Pathogens and disease spreadBeing prepared
Immunity and vaccinationBeing prepared

Gas exchange in humans

Gas exchange and breathing

Respiration

Respiration

Excretion in humans

Excretion and the kidneys

Coordination and response

Drugs

Antibiotics

Reproduction

Asexual and sexual reproductionBeing prepared
Flowers and pollinationBeing prepared
Fertilisation and germinationBeing prepared
Human reproductionBeing prepared
Puberty and the menstrual cycleBeing prepared
Sexually transmitted infectionsBeing prepared

Inheritance

Chromosomes, genes and allelesBeing prepared
From gene to proteinBeing prepared
Mitosis and meiosisBeing prepared
Monohybrid crossesBeing prepared
Family trees, blood groups and sex linkageBeing prepared

Variation and selection

Variation and mutationBeing prepared
Adaptation and selectionBeing prepared

Organisms and their environment

Food chains and websBeing prepared
Ecological pyramids and energyBeing prepared
Energy flow and nutrient cyclesBeing prepared
PopulationsBeing prepared

Human influences on ecosystems

Food supply and habitat lossBeing prepared
PollutionBeing prepared
ConservationBeing prepared

Biotechnology and genetic modification

BiotechnologyBeing prepared
Genetic modificationBeing prepared

Part 1 of 3

Page 01

Energy from food

identify

Try it yourself

Choose all the things that living organisms use the energy from respiration for.

identify: name or select.

Choose all statements you think are correcta.The passage of nerve impulsesb.Muscle contractionc.Protein synthesisd.Active transporte.Osmosis of water into a root hair cellf.Diffusion of oxygen into a cell

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Scope and sources

Cambridge IGCSE Biology 0610 · 2026–2028 v3 · Original learning materials.

The uses of energy in living organisms (12.1.1); investigating the effect of temperature on respiration in yeast (12.1.2); aerobic respiration and its word equation (12.2.1, 12.2.2) and balanced equation (Supplement 12.2.3); anaerobic respiration, much less energy per glucose molecule, the word equations in yeast and in muscles (12.3.1–12.3.4) and the balanced equation in yeast (Supplement 12.3.5); lactic acid and the oxygen debt, and how the debt is removed (Supplement 12.3.6, 12.3.7). The gas volumes in the experiment come from a teaching model.

Apparatus, amounts and times in the experiment are illustrative. Real practical work follows a teacher-approved safety method.

Official Cambridge syllabus