- Summary: the Law of Unity of Type and of the Conditions of . . . - bartleby
Natural selection can produce nothing in one species for the exclusive good or injury of another; though it may well produce parts, organs, and excretions highly useful or even indispensable, or again highly injurious to another species, but in all cases at the same time useful to the possessor
- Chapter 4: Natural Selection; Or The Survival Of The Fittest
Unless such occur, natural selection can do nothing Under the term of "variations," it must never be forgotten that mere individual differences are included
- Distinguishing mechanisms for the evolution of co-operation
Introduction The existence of co-operation between species poses an apparent problem to evolutionary theory because individuals of one species appear to deliberately provide benefit for another species
- Charles Darwin: The Origin of Species: Chapter IV. -NATURAL SELECTION . . .
What natural selection cannot do, is to modify the structure of one species, without giving it any advantage, for the good of another species; and though statements to this effect may be found in works of natural history, I cannot find one case which will bear investigation
- Summary: The Law of Un. . . | Textpedia
Natural selection can produce nothing in one species for the exclusive good or injury of another; though it may well produce parts, organs, and excretions highly useful or even indispensable, or highly injurious to another species, but in all cases at the same time useful to the possessor
- The Origin of Species by means of Natural Selection by Charles Darwin . . .
Natural selection can produce nothing in one species for the exclusive good or injury of another; though it may well produce parts, organs, and excretions highly useful or even indispensable, or highly injurious to another species, but in all cases at the same time useful to the possessor
- Natural Selection - Stanford Encyclopedia of Philosophy
For Darwin, natural selection is a drawn-out, complex process involving multiple interconnected causes Natural selection requires variation in a population of organisms For the process to work, at least some of that variation must be heritable and passed on to organisms’ descendants in some way
- darwin2 - University of Central Arkansas
This preservation of favourable variations and the rejection of injurious variations, I call Natural Selection Variations neither useful nor injurious would not be affected by natural selection, and would be left a fluctuating element, as perhaps we see in the species called polymorphic
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