Species Quotes
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We may smile and the dog may wag the tail, but in essence, we have a set program and those programs are similar across individuals in the species.
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Evolutionary biologists often appeal to parsimony when they seek to explain why organisms "match" with respect to a given trait. For example, why do almost all the organisms that are alive today on our planet use the same genetic code? If they share a common ancestor, the code could have evolved just once and then been inherited from the most recent common ancestor that present organisms share. On the other hand, if organisms in different species share no common ancestors, the code must have evolved repeatedly.
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Strange that mankind should ever have used the mushroom. All the various species of this substance are of a leathery consistence, and contain but little nutriment. The condiments or seasonings which are added are what are chiefly prized. Without these, we should almost as soon eat saw dust as mushrooms.
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We're dead as a species if we don't tell stories, because then we don't know who we are.
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If warming were held to a minimum, the team estimated that between 22 and 31 percent of the species would be “committed to extinction” by 2050. If warming were to reach what was at that point considered a likely maximum—a figure that now looks too low—by the middle of this century, between 38 and 52 percent of the species would be fated to disappear.
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Most writers - poets in especial - prefer having it understood that they compose by a species of fine frenzy - an ecstatic intuition - and would positively shudder at letting the public take a peep behind the scenes.
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Mr. Darwin refers to the multitude of the individual of every species, which, from one cause or another, perish either before, or soon after attaining maturity.
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Words are acoustical signs for concepts; concepts, however, are more or less definite image signs for often recurring and associated sensations, for groups of sensations. To understand one another, it is not enough that one use the same words; one also has to use the same words for the same species of inner experiences; in the end one has to have one's experiences in common.
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Another way to test hypotheses about adaptation is to consider trait variation across a group of species instead of focusing on the trait of a single species. Rather than seeking to explain why polar bears have fur of a certain thickness, one tries to explain why bears in colder climates have thicker fur than bears in warmer climates. The former problem is hard to solve, since it is hard to say exactly what fur thickness polar bears should have if natural selection guided the evolution of that trait.
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I'm sure it has to be a species distinct from us. There is speculation that it could be a diseased human, but this is nothing like that.
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In pain there is as much wisdom as in pleasure: like the latter it is one of the best self preservatives of a species.
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Those who consume animals not only harm those animals and endanger themselves, but they also threaten the well-being of other humans who currently or will later inhabit the planet. ... It is time for humans to remove their heads from the sand and recognize the risk to themselves that can arise from their maltreatment of other species.
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It seemed far more reasonable to belong to a species that had evolved natural tooth replacement than to belong to one that had developed the dental profession.
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In reality, those who deny climate change and demand a halt to emissions reduction and mitigation work, want us to take a huge gamble with the future of every human being on the planet, every future human being, our children and grand children, and every other living species.
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Bonobos don't really have that darker side. So that's where they could really help us is how could it be that a species that has a brain a third of the size of ours can do something that with all our technological prowess we can't accomplish? Which is to not kill each other.
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It is the hope of those who work toward the breakout from planet Earth that the establishment of permanent, self-sustaining colonies of humans off-Earth will ... make human life forever unkillable, removing it from the endangered species list, where it now stands on a fragile Earth overarmed with nuclear weapons. Second, the opening of virtually unlimited new land areas in space will reduce territorial pressures and therefore diminish warfare on Earth itself.
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Mathematical objects are determined by - and understood by - the network of relationships they enjoy with all the other objects of their species.
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I am principled against this kind of traffic in the human species . . . and to disperse the families I have an aversion.
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I hold flesh-food to be unsuited to our species. We err in copying the lower animal world if we are superior to it.
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We need to emphasize the more positive aspects of our species.
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A species consists of a group of populations which replace each other geographically or ecologically and of which the neighboring ones integrate or hybridise wherever they are in contact or which are potentially capable of doing so with one or more of the populations in those cases where contact is prevented by geographical or ecological barriers.
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Humans are the one species the world could do very well without.
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Physically, men are of the same species; spiritually each is a species apart.
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As long as I can remember, I've always had pets. Something about the connection you share with this entirely different species just blows my mind.
