Predators and prey Student activity Play

Producers and consumers Student activity Play

Prokaryotes Slideshow Play

Quantities of essential elements in 1000 g of dry plant mass Illustration Play

Rate of photosynthesis and water balance of a plant Slideshow Play

Recognising examples of biological weathering Whiteboard exercise Play

Red and green marbles Animation Play

Red blood cells Illustration Play

Redox reactions around us Student activity Play

Redox reactions around us Slideshow Play

Relationship between photosynthesis and plant respiration Simulation Play

Relationship between photosynthesis and plant respiration Student activity Play

Reproduction and species Slideshow Play

Reproduction in invertebrates – a diversity of good solutions Student activity Play

Reproduction in plants Whiteboard exercise Play

Reproduction in plants Student activity Play

Respiration on land – plants Whiteboard exercise Play

Respiration on land – plants Student activity Play

Responsiveness and plant movements Class activity Play

Responsiveness and plant movements Whiteboard presentation Play

Role of anions in plant cells Slideshow Play

Role of cations in plant cells Slideshow Play

Role of plant defence mechanisms in predator/prey balance Student activity Play

Root hairs Student activity Play

Roses Illustration Play