10/10 Primates are just like humans - intelligent, quarrelsome, family-centred.
9/10 A look at plants and the ingenious and manipulative ways they counter life's challenges.
8/10 A look at marine invertebrates, including Humboldt squid, starfish and giant octopuses.
7/10 Unique footage of a killer whale engaging in sneaky behaviour to hunt elephant seal pups.
6/10 Super-slow motion shows a bombardier beetle firing boiling liquid at its enemies.
5/10 A slow-motion camera captures the unique flight of the marvellous spatuletail hummingbird.
4/10 A look at various fish species including sea dragon, fringehead and Hawaiian goby.
3/10 How mammals dominate the planet through having warm blood and by caring for their young.
2/10 A look at the strategies used by reptiles and amphibians to conquer their shortcomings.
1/10 A look at how some animals and plants go to extremes to give themselves a chance to breed.