GCSE Biology> Human Biology> Growth and Reproduction Growth is the increase in size that most organisms do. It is caused by the making of new protoplasm and usually includes cell division. It can be measured by: Increase in mass Increase in dried mass (plants) Increase in length (roots etc) Development is the increase in complexity of an organ. The cells that are formed take on different functions as they grow Reproduction is the making of a new organism Asexual reproduction Sexual reproduction One parent Two parents No gametes Gametes present Mitosis forms offspring which then grow Meiosis forms gametes which fuse in pairs Identical genes to parent Different mix of genes Rapid growth in good conditions Survival in new or poor conditions Keeps varieties the same Develops new varieties Examples of Asexual reproduction include: cuttings, bulbs, and runners Click here for coursework essays on Growth and reproduction

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