Some comic relief from the mock exams…
Reward your studies with a 5-minute giggle-break.
If you really must think as you’re watching the video, can you pick out examples of innate and learned behaviour, altruism, competition, kin selection and mate selection?
BIS Students: remember there are loads of past papers on Moodle, including P1 quizzes to try through Quia: http://www.quia.com/profiles/staylor. The quizzes will grade themselves, but you need to get the question papers from Moodle or the network.