Learning objectives define an enzyme explain the properties of enzymes explain enzyme action investigate factors that affect the
Category: GCE O-level Biology
Excretion in Humans
Excretion in Humans Excretion: the removal from organisms of toxic materials, the waste products of metabolism (chemical reactions in
Homeostasis
Definition is the maintenance of a constant internal environment(temperature), water and glucose concentration Negative feedback is a main
Photosynthesis
Plants are autotrophic(auto- self * trophic- feeding) Photosynthesis (photo-light * synthesis- build up) Photosynthesis is the manufacturing of organic
Respiration
Learning objectives define aerobic respiration state the word equation for aerobic respiration list uses of energy in the
Support, movement and locomotion
Skeletal System it consist of three main types of tissues; muscles bones cartilage Functions of the skeletal system
Animal Nutrition
Components of food Carbohydrates, Proteins, Fats, Vitamins, Fibbers, Water and minerals Carbohydrates made up of carbon, hydrogen and
Coordination and response
The need for energy in living organisms Anabolic reactions e.g growth. Active transport of sustains against concentration gradient.
Transport in plants
Learning objectives describe the general structure of a plant distinguish between monocotyledonous and dicotyledonous plants identify parts of