Molecules of life; the chemistry of life; functioning cells; movement across membranes; harvesting energy; cells and tissues; responding to signals; cell division; inheritance; genes, chromosomes and DNA; gene expression; recombinant DNA and the eukaryotic genome; reproduction; animal development; plant development; genes and development; structure of plants; plant nutrition, transport and water use; heterotrophic nutrition in animals; gas exchange in animals; circulation; excretion and water balance; the immune systems; plant hormones and growth responses; hormonal control in animals; nervous systems; animal movement; animal behaviour; coping with environmental stress; evolving life; evolving earth; mechanisms of evolution; the bacteria; viruses; the protists; fungi; plants; simple animals - sponges to nematodes; annelids, arthropods and molluscs; echinoderms and chordates; Australian environments and biota; population ecology; living in communities; ecosystems; human impacts; appendices.