| 41. | For example, birds put strong selection pressure on seeds for colour of fruits because of their enhanced vision.
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| 42. | As a side effect of these selection pressures, human evolution crossed a threshold at which language became possible.
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| 43. | To that degree, cancer stem cells constitute a rapidly evolving population subject to selection pressure = = evolution.
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| 44. | Two of the other leading causes of death are expected to have exerted limited or no selection pressure.
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| 45. | :: I believe a better question would be : Is there any form of selection pressure in humans?
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| 46. | Optimising herbicide input to the economic threshold level should avoid the unnecessary use of herbicides and reduce selection pressure.
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| 47. | The arrival of cane toads has also exerted selection pressures on the feeding behaviour and toxin tolerance of snakes.
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| 48. | Darwin supposed further that embryos were subject to less intense selection pressure than adults, and had therefore changed less.
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| 49. | Little is known about how variations in fungicide treatment affect the selection pressure to evolve resistance to that fungicide.
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| 50. | ;Genome diversity : Genome doubling provided the organism with redundant alleles that can evolve freely with little selection pressure.
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