This pack contains the following worksheets and answers for the GCSE biology Bioenergetics topic: Respiration Exercise and oxygen debt Photosynthesis Factors affecting the rate of photosynthesis

This pack contains the following worksheets and answers for the GCSE biology Homeostasis topic: Homeostasis The nervous system & reflex arc The endocrine system Diabetes & controlling blood glucose The menstrual cycle & puberty Contraception Controlling fertility & hormones

This pack contains the following worksheets and answers for the GCSE biology Infection & Response topic: Immune system, physical & chemical barriers Bacterial disease Communicable disease Drug discovery & development Drugs, painkillers and antibiotics Fungal and protist diseases Vaccines Viral diseases

This pack contains the following worksheets and answers for the GCSE biology Cells topic: Active transport Diffusion Osmosis Cell organisation (subcellular structures) Enzymes (how they work) Exchange surfaces

This pack contains the following worksheets and answers for the GCSE biology Organisation topic: Factors affecting enzyme action Digestion Digestive enzymes Gas exchange and the lungs Heart Blood vessels Blood Coronary heart disease Health and disease Risk factors for non-communicable diseases Cancer Plant organisation Transpiration & translocation

This is a video lesson that covers the structure and function of DNA.

This worksheet and video cover what meiosis is and it’s different steps.

This worksheet and video cover how sexual and asexual reproduction work, and the differences between the two. We also do worksheets and videos on lots of other topics, so please check them out on our Tes page and youTube channel! Tes - https://www.tes.com/member/CognitoEdu YouTube - https://www.youtube.com/channel/UCaGEe4KXZrjou9kQx6ezG2w

This worksheet and video cover: why some women are infertile, how hormones can help, how IVF works, and the ethical concerns around such topics. We also do worksheets and videos on lots of other topics, so please check them out on our Tes page and youTube channel!

This worksheet and video cover how an egg becomes fertilised in the womb and how the various forms of hormonal and non-hormonal contraception work.

This worksheet and video cover: how somebody becomes pregnant, the menstrual cycle including the hormones and their effects on the uterus lining, and puberty.

This worksheet covers the how we control the concentration of glucose in our blood stream using insulin and glucagon. It also covers type 1 and type 2 diabetes.

This worksheet and video cover: what the endocrine system is, what the different glands do, and how hormones work.

This worksheet and video cover: what the nervous system is, how it works, what nerve cells and synapses are, why we need reflexes, and how the reflex arc works.

This worksheet and video explore what homeostasis is, the different components, how automatic control systems work, and what negative feedback is.

This worksheet covers how exercise affects the body, including how we cope with the extra demand for oxygen, and how the use of anaerobic respiration builds up an oxygen debt.

This worksheet and video cover the different types of respiration, their equations and their uses.

This worksheet covers the factors that affect the rate of photosynthesis, how to show it using graphs, and how farmers utilise this to improve their yields.

This worksheet and video cover what photosynthesis is including the reaction, how it works, and what the glucose is used for.

This worksheet covers the original substances we use for drugs are found in nature, and how we refine these, and then do a series of tests to check the drugs are effective.