Mark scheme – peer assess (someone you haven’t been sat near) 1 or 2 advantages or disadvantages 1-2 advantages and 1-2 disadvantages a conclusion that adds value Advantages – food for humans, population of humans increase Disadvantages – reduced food for penguins, fish birds etc. (must not say that an entire species will become extinct, reduced population) Conclusion must decide either it’s a good idea or a bad idea with evidence. To gain full marks written work must be logical and written well with good grammar and spelling. Give a overall QWC grade 1-4 Now improve in purple