Adaptation and Survival

by Robert Snedden

Published 1 January 2012
Why do tigers have stripes? Do they choose to have them, or is that just how they are? Adaptation and Survival explains what is meant by the fitness of an organism and shows how adaptations improve a plant or animal's chances of survival to have offspring. It tackles common confusions about the science and shows how topics are relevant to the reader.

Variation in Living Things

by Robert Snedden

Published 1 January 2012
It seems obvious that a pig will never give birth to a puppy, but why should that be the case? Variation in Living Things explains the causes and limits of variation in species - such as blood groups and disposition to disease - and why it is so important to their survival. It tackles common confusions about the science and shows how topics are relevant to the reader.