There are some BBC Bitesize revision pages that could be useful.
- What determines where particular species live and how many of them there are?
- Why are individuals of the same species different from each other? What new methods do we have for producing plants and animals with the characteristics we prefer?
- Why have some species of plants and animals died out? How do new species of plants and animals develop?
- How do humans affect the environment?
Evolution Part 1: Play Now | Play in Popup | Download Evolution Part 2: Play Now | Play in Popup | Download Humans & the Environment Part 1: Play Now | Play in Popup | Download Humans & the Environment Part 2: Play Now | Play in Popup | Download Organisms in their Environment Part 1: Play Now | Play in Popup | Download Organisms in their Environment Part 2: Play Now | Play in Popup | Download Reproduction & Cloning Part 1: Play Now | Play in Popup | Download Reproduction & Cloning Part 2: Play Now | Play in Popup | Download
