An explanation of the difference between adult and embryonic stem cells, writing about the benefits of using stem cells to treat disease, and discussing concerns about their use.(YEAR NINE)
A description of how a leaf and a cell are adapted to ensure that they have a large surface area in relation to their volume and an explanation of why they need a large surface area, using diagrams to help (YEAR NINE)
An explanation as to how changes in habitat over millions of years may have caused the modern horse to evolve from an animal no bigger than a fox (YEAR NINE)