The Trials of Life

Episode 12 - Continuing the Line. This episode illustrates how species fulfil their ultimate raison d'etre and ensure that their genes are passed on to the next generation. It is a universal problem, but one which has given rise to a variety of solutions. Barnacles cannot move, but each has both male and female sex cells, allowing each neighbour to be a potential mate. On the other end of the scale, a female elephant undergoes a long pregnancy - 22 months - and so wishes to ensure that her calf is fathered by a strong and proven male. She is therefore very choosy about her partner. (from

Episode 12 - Continuing the Line

Go to The Trials of Life Home or watch other episodes:

Episode 01: Arriving
Episode 02: Growing Up
Episode 03: Finding Food
Episode 04: Hunting and Escaping
Episode 05: Finding the Way
Episode 06: Home Making
Episode 07: Living Together
Episode 08: Fighting
Episode 09: Friends and Rivals
Episode 10: Talking to Strangers
Episode 11: Courting
Episode 12: Continuing the Line