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Soak up the sun, & The sea.. on A Costa Rica Vacation

daemon@ATHENA.MIT.EDU (Costa Rica Trips)
Tue Apr 28 20:28:34 2015

Date: Tue, 28 Apr 2015 20:28:33 -0400
From: "Costa Rica Trips" <CostaRicaTrips@benevered.eu>
To: <mit-talk-mtg@charon.mit.edu>

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<p>multiplying only by gamogenesis, must be introduced in considerable numbers that some may propagate. Thus we infer that the earliest traces of life  7ea99ed1b6714702bd5343b786c98bee 
left in the sedimentary deposits near these new shores, will be traces of life as humble as that indicated in the most ancient rocks of Great Britain  7ea99ed1b6714702bd5343b786c98bee 
and Ireland. Imagine now that the processes above indicated, continue—that the emerging lands become wider in extent, and fringed by higher and more  7ea99ed1b6714702bd5343b786c98bee 
varied shores; and that there still go on those ocean-currents YFE 7ea99ed1b6714702bd5343b786c98bee which, at long intervals, convey from far 7ea99ed1b6714702bd5343b786c98bee distant shores immigrant forms of life. 
What will result? Lapse of 7ea99ed1b6714702bd5343b786c98bee time will of course favour the introduction of such new forms: 7ea99ed1b6714702bd5343b786c98bee admitting, as it must, of those combinations of fit 
conditions, which can occur only after long intervals. Moreover, the increasing area of the islands, individually and as a group, implies  PKSG 
increasing length of coast, and therefore a longer line of OLIX contact with the streams and SYPBPEVC waves which bring [235] drifting mhies bearing germs of fresh 
life. And once more, the comparatively-varied<b>shores, presenting physical conditions which change from mile to mile, will</b>furnish suitable habitats  VKGNIPU 
for more numerous species. So that as the elevation proceeds, three causes 7ea99ed1b6714702bd5343b786c98bee conspire to introduce additional marine plants and animals. to what clhies 
will the increasing Fauna be 7ea99ed1b6714702bd5343b786c98bee for a long period confined? Of course, to clhies of which individuals, or their germs, 7ea99ed1b6714702bd5343b786c98bee are most liable to be carried 
far away from their native shores by floating sea-weed or drift-wood; to clhies which are DDKWIKC OAMJIE also least likely to VTEOU perish 7ea99ed1b6714702bd5343b786c98bee in transit, TRMAOOWYU or from change of 
climate; and to those which can best subsist around coasts comparatively bare of life. Evidently then, corals, annelids, 7ea99ed1b6714702bd5343b786c98bee inferior molluscs, and 
crustaceans of low grade, will chiefly constitute 7ea99ed1b6714702bd5343b786c98bee the early Fauna. The large predatory members of these clhies, will be later in establishing 
themselves; both because the new shores must first become well peopled by the creatures they prey on, and because, being more complex, they, or their  KKMHN 
ova, must be less likely to survive the journey, and the change 7ea99ed1b6714702bd5343b786c98bee 7ea99ed1b6714702bd5343b786c98bee of conditions. We may infer, then, that the strata deposited 7ea99ed1b6714702bd5343b786c98bee next after the 
almost “azoic” strata, would contain the remains of invertebrata, allied to those<i>found near</i>7ea99ed1b6714702bd5343b786c98bee the shores of Australia and South America. Of such 
invertebrate remains,<I>the lower beds would furnish comparatively few genera, and those 7ea99ed1b6714702bd5343b786c98bee of relatively low types; while in the upper beds the</I>
number of genera would be greater, QSKYDPQF and 7ea99ed1b6714702bd5343b786c98bee the types higher: just as among the fossils of our Silurian system. As this great geologic change slowly 
advanced through its long history of earthquakes, volcanic disturbances, minor upheavals and subsidences—as the extent of the archipelago became  7ea99ed1b6714702bd5343b786c98bee 
greater and its smaller islands coalesced into larger ones, while its coast-line grew still longer and more varied, and the neighbouring sea more  CAQI 
thickly inhabited by inferior forms of life; the lowest division of the vertebrata would VMMMHIHTJ begin 7ea99ed1b6714702bd5343b786c98bee to be represented. In order of time, fish would 
[236] naturally come later than the lower invertebrata; both as being less likely to have their ova transported across the waste of XIGY waters, and as .</p>





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