Sea snakes that live in polluted waters have evolved to ‘fill in' their light stripes, darkening their skins to cope with pollution.
The finding1 adds turtle-headed sea snakes (Emydocephalus annulatus) to the diverse list of creatures that exhibit ‘industrial melanism', when darker animal varieties become dominant in polluted environments. The phenomenon is a classic example of natural selection, and one of the best-known cases — the spread of the dark version of the peppered moth in sooty nineteenth-century Britain — is often quoted in biology textbooks.
post @jokster
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post @giveaway
Allows you to exchange followers on STEEMIT , there is a referral system. Note this app is in beta mode , full version will release soon. In the future I will be adding a api to exchange Share4Likes Coins to Bitcoin