Part 1 Ecology and living things: living things and their environment; within an ecosystem; life and life cycles; the structure of living things; cell division. Part 2 Botany: vascular plants; stems and roots; inside an older plant; leaves; plant sensitivity; plant fluid transportation; plant food production; flowers; reproduction in a flowering plant; seeds and germination; fruit/vegetative reproduction. Part 3 Zoology (animals): the body structure of animals; animal body coverings; animal movement; animal feeding; animal respiration; animal excretion; animal senses and communication; animal reproduction and development. Part 3 Zoology (humans): the skeleton; joints and bones; muscles; teeth; blood; the circulatory system; the heart; tissue fluid and the lymphatic system; the digestive system; glands; the respiratory system; the urinary system; the central nervous system; the units of the nervous system; nerves and nervous pathways; the skin; the eyes; the ears; the reproductive system; development and reproduction. Part 4 Reproduction and genetics: types of reproduction; cell division for reproduction; genetics and heredity; genetic engineering. Part 5 General biology information: fluid movement; food and how it is used; metabolism; energy for life and homeostasis; hormones; digestive juices and enzymes; vitamins and their uses; the classification of living things; informal group terms.