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B50 Sense organs? Stimulus D E C B A F Synapses? Response Impulse type: Neurone Synapse Internal controls: how/why? Hormones Water content Secreted by Ion content Temperature Blood sugar level IVF Controlling fertility Contraception Fertility drugs Name of hormone Made in the Activity FSH 1. 2. Oestrogen 1. 2. 3. LH 1. B51 Transported by Testing drugs Legal In the lab Prescribed Impact Volunteers Clinical trials Cannabis Placebo Thalidomide Developed as a … Caused … Then … Now… Addiction Patients Double-blind Used for… Illegal Statins are used for… Need new ones because B53 eg involves Vaccination Leads to Defences Identify by White blood cells Disease causers Types of microbe Make us ill by Viruses Can’t be treated by because Fungi Make us ill due to Bacteria Can be treated by Semmelweiss discovered Can stop working due to eg Animals may be adapted to survive in dry and arctic environments by Organisms have ____________ to help them ____________ in a habitat 1. B54 Extremophiles may be tolerant to high levels of 1)___________ , 2) _____________ or 3) ___________ 2. 3. 4. Environmental change may affect the distribution of organisms. Change can be caused by Change can be measured by Animals compete for Plants compete for Living factors e.g. Non-living indicators e.g. Living indicators Non-living factors e.g. Plants may be adapted to survive in dry environments by 1. 2. 3. e.g. e.g. B55 The information that results in plants and animals having similar characteristics to their parents is carried by _________ which are passed on in the ______ cells (_________) from which the offspring develop. Contains _______ made of _____ and carried on long _____________ Variation is due to Advantages Sexual Asexual Leads to variation? Plants Produces Genetic engineering Used to 1. 2. Fusion of gametes? Involves Disadvantages Concerns because 4 techniques Animals Embryo transplants where… B56 The amounts of __________ and __________ contained in living things always get less at each stage of a _________________ from __________ onwards. Biomass is lost as _____________ products and used to produce ___________ in ____________ . This is used for ___________ and to control ____________________ . Only a small amount is used for _______________ . (Waste, growth, energy, body temperature, biomass, plants, respiration, energy, movement, food chain) 4 When plants or algae are eaten by animals the carbon becomes part of the _________ and _________ in the animals body 4 1 1 1. 4 carbon compounds in plants 2. 2 carbon compounds in animals 3 3. 5. Pyramid of ________ carbon dioxide in the air ________ Cycle processes: 4. Pyramid of ________ 3 5 fossil fuels carbon compounds in decomposers Carbon compounds in plants include 1. 2. 3. Microbes digest materials faster when the conditions are… Particular genes or accidental changes in genes of plants or animals may give them characteristics which enable them to survive better. Over time this may result in entirely new species. There are different theories of evolution. __________’s theory is the most widely accepted Darwin B57 Lamarck Only slowly accepted because 1. 2. 3. Stages in explaining natural selection Where new forms of a gene result from ______________ there may be relatively rapid change in a species if the environment changes.
