Evolution in a toxic world

How life responds to chemical threats

Poisons, naturally

Royalty Free RF Clipart Illustration Of A Human Skull With Spider Legs by xunantunich

Many living things produce their own toxic brew. Snakes, spiders, cyanobacteria, plants to name a few. Sometimes they collude, working together a host may provide food and shelter, while it’s guest provides the poison. Sometimes predators co-evolve in ongoing chemical warfare.  One of the best examples are the CYP enzymes several of which appear to have evolved in response to plant poisons. On these pages I hope to gather studies on evolution of biological poisons and co-evolution of predators. Beginning with the following page on toxics in lichens.

For more see:

Lichen liking toxins

Of toxic newts and snakes


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