Example sentences of "have evolved from " in BNC.

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1 Such cells may have evolved from a coming-together of prokaryotes .
2 However , James Valentine of the University of California suggests worms may have evolved from arthropods ( jointed-legged creatures ) rather than the other way around , because they had cavities in their middle layer ( known as coeloms ) which they used as skeletons to support themselves when burrowing .
3 Although the bird was native to America , its name may have evolved from the days when turkey was first distributed in England by Turkish merchants .
4 But Hankamer 's idea is more appropriate to the ‘ evolution ’ of fully fledged languages , a process of interest in its own right but somewhat peripheral to the project of accounting for how more complex linguistic structures might have evolved from simpler ones .
5 Molluscs may have evolved from a flatworm-like ancestor independently of the annelids , but molecular evidence supports the possibility of an annelid link .
6 The theories discussed below may have evolved from different assumptions , but it is still difficult to discriminate completely between them .
7 The three species of bee seem so closely related that they must have evolved from a single carrion-eating ancestor .
8 Humankind and the apes shared the vertebrate form because both were created by God , but Owen could stress the anatomical differences in order to make it clear that the one could never have evolved from the other .
9 Darwin believed that very similar species , such as those grouped into a single genus , would have evolved from a fairly recent common ancestor .
10 It was obvious that the fish — the ‘ lowest ’ class within the vertebrate phylum — must have evolved from a pre-existing invertebrate form , yet this had occurred before fossils became plentiful in the rocks .
11 Desmond Morris later drew attention to several signals that resemble activities produced by the autonomic nervous system such as auditory signals ( shouts ) that may have evolved from rapid automatic breathing , and even the scent-marking by urine at territory boundaries in mammals .
12 Thus the present smooth and uniform state of the universe could have evolved from many different nonuniform initial states .
13 Multimedia will have evolved from a technological issue into a metaphysical one .
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