B1 Higher Fitness and health Staying healthy – parasites, infection (defence, immunisation) and lifestyle Diet and disease Drugs Homeostasis (temperature control, sugar control) Plant hormones Nervous system Variation and inheritance

Reflex arc What do you remember?

B1 Higher/Foundation

Diet can increase the risk of heart disease Saturated fats lead to a build up of cholesterol(plaque) in the artery- this increases blood pressure High level of salt increases blood pressure Higher blood pressure can lead to a stroke or blood vessels bursting and kidney failure

What do you know about plant hormones?

B2- Higher/Foundation Classification Energy flow Recycling Interdependence Adaptation Natural selection Population and pollution Sustainability

B1 Foundation Fitness and health Staying healthy – parasites, infection (defence immunisation) and lifestyle Diet and disease Drugs Homeostasis (temperature control, sugar control) Plant hormones Nervous system Variation and inheritance

B1 Higher/Foundation

B2- Higher/Foundation Classification Energy flow Recycling Interdependence Adaptation Natural selection Population and pollution Sustainability

Theory of Natural Selection Presence of variation in a species Competition for limited resources Survival of the fittest Inheritance of successful features

Command words Describe Provide a detailed account (using diagrams/data from figures or tables where appropriate). The depth of the answer should be judged from the marks allocated for the question Explain Set out reasons or purposes using scientific background. The depth of treatment should be judged from the marks allocated for the question Suggest Apply your biological knowledge and understanding to a situation which you may not have covered in the specification How: Describe in what way or by what means…… What: Provide specific information…… Why: Explain the reason or purpose……