This workpack has worked examples on how to calculate standard deviation using the formula by substituting values in and a quick way to calculate it using the STAT mode on the calculator. You will also learn how to plot error bars and how to interpret them and some questions along the way to consolidate your understanding. This pack contains 14 pages.

AQA GCSE 9-1 Five revision summary sheets on sexual and asexual reproduction, selective breeding, cloning and genetic engineering

Aimed at 9-1 GCSE Biology. Step by step revision sheets on mitosis and meiosis. Step by step gap fill on mitosis, step by step gap fill on meiosis, a side by side comparison of both processes and a few example questions for consolidation. Answer sheets are also included.

Revision sheets aimed at summarising specific and non- specific animal defences against pathogens. Including:-barriers, blood clotting and wound repair, the inflammatory response, phagocytosis and antigen presentation, cell mediated and humoral response.

This pack contains summary sheets, gap fill, and labelling of the main processes occurring in the nephron. Ultrafiltration, selective reabsorption, water reabsorption at the Loop of Henle and the control of ADH aquaporins and their affect on the permeability of the collecting duct. There are page numbers on the sheets and these refer to pages in the Pearson Y2 OCR Biology A book although any A level Biology text book would suffice.

HIgher level GCSE 9-1 Biology. 4 Pages (not all visible on the preview) either on PDF or on a word document. This resource covers primary defences against pathogen entry. The secondary defences including phagocytosis and the making of antibodies, natural immunity and how vaccination works.

AQA GCSE 9-1 Biology Communicable diseases - a thorough revision sheet on communicable diseases including; what pathogens are, how they make us ill, different examples of pathogens, details of the different diseases and how the spread of pathogens can be prevented.

HIgher level GCSE DNA and Protein synthesis revision sheets,

All you need to know about how body temperature is regulated, as an example of homeostasis and negative feedback.

AQA GCSE Biology - a collection of 3 revision sheets on food production and security including general problems, biotechnology using fermenter (including application on the design of a fermenter) and microorganisms to make mycoprotein and the genetic engineering of bacteria to produce insulin

AQA GCSE Biology - includes 4 detailed revision sheets on Human impact on the environment including different types of pollution, greenhouse effect, global warming, deforestation, effect on biodiversity and maintaining biodiversity

AQA GCSE Biology - 4 detailed revision sheets including competition, predator prey, interdependence, trophic levels, food chains and webs, pyramids of biomass, energy and biomass efficiency calculations, and farming techniques to decrease energy loss.

AQA GCSE Biology- revision resource consisting of three sheets on classification including the Linnaeus, Woese , the use of evolutionary trees and some example exam questions

AQA GCSE Biology 4 revisions sheets ideal for the higher achiever, covering general function of the kidney, details of the nephron and excretion, osmoregulation and ADH, consequences of not being able to balance water concentration in the blood linking in to osmosis, and dialysis and transplant. Including a new osmoregulation negative feedback sheet and accompanying YouTube Video

AQA GCSE Biology - includes a total of 7 revision sheets. 4 on hormones in general, menstrual cycle and use of hormones for fertility and contraception. 1 revision sheet including a flow diagram simplifying the menstrual cycle. This is very good to complete together and memorise as a whole class each stage, students take in turns to recall the different stages. There are a further 2 revision sheets on plant hormones including fact recall and an example of an application style question based on the well know Auxin investigations.

AQA GCSE Biology - includes a collection of 9 revision sheets, including some example exam questions, covering the nervous system, the brain and the eye