A Quote by Charles Darwin

A language, like a species, when extinct, never... reappears. — © Charles Darwin
A language, like a species, when extinct, never... reappears.
Then from the world all spirituality will be extinct, all moral perfection will be extinct, all sweet-souled sympathy for religion will be extinct, all ideality will be extinct; and in its place will reign the duality of lust and luxury as the male and female deities, with money as its priest, fraud, force, and competition its ceremonies, and the human soul its sacrifice. Such a thing can never be.
As a young boy, I was obsessed with endangered species and the extinct species that men killed off. Biology was the subject in school that I was incredibly passionate about.
Every species becomes extinct; at some point, we will go extinct. The question is, as Homo sapiens, are we going to be able to adapt to the change that we're actually part of? We're causing such dramatic changes to the planet, so yes, you do stop and think, 'I wonder where we're headed.'
One must believe that every living thing whatsoever must change insensibly in its organization and in its form... One must therefore never expect to find among living species all those which are found in the fossil state, and yet one may not assume that any species has really been lost or rendered extinct.
For millions of years, on average, one species became extinct every century.... We are now heaving more than a thousand different species of animals and plants off the planet every year.
I think when you work on fossils, and you realize that a species is there, and it's abundant for quite a long period of time, and then at some point it's no longer there - and so, when you look at that bigger picture, yes, you realize that either you change and adapt, or, as a species, you go extinct.
Aside from bringing back extinct species, reanimation could help living ones by restoring lost genetic diversity. The Tasmanian devil (aka Sarcophilus harrisii) is so inbred at this point that most species members can exchange tumor cells without rejection.
There's money to be made by driving a species extinct.
Some days you exist like the last speaker of an extinct language. These are the silences that litter the heart.
You know, at times like this one feels, well, perhaps extinct animals should be left extinct.
I'll just have them change the entry in the demonology textbook from 'almost extinct' to 'not extinct enough for Alec. He prefers his monsters really, really extinct.' Will that make you happy?
Ninety-nine percent of all species that ever lived are now extinct.
Maybe you are a poet and a dreamer, but don't you realize that those two species are extinct now?
Several times in Earth's history, rapid global warming occurred, apparently spurred by amplifying feedbacks. In each case, more than half of plant and animal species became extinct. New species came into being over tens and hundreds of thousands of years. But these are time scales and generations that we cannot imagine.
'Extinction' issue. Save the species for whom??? Humans' convenience, of course! Individuals of the species are snatched from their homes/family/habitat/held in captivity/forced to mate at great physical/ spiritual pain. When the right numbers are reached, their holocaust starts all over again! Another merry-go-round/ bu$ine$$ a$ u$ual!!! Protectionists/welfarists find it a profitable issue: no controversy/ easy donations! I'd rather see an entire species extinct than in the hands of the humans!
Certainly paleontologists have found samples of an extremely small fraction, only, of the earth's extinct species, and even for groups that are most readily preserved and found as fossils they can never expect to find more than a fraction.
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