Download Anolis Lizards of the Caribbean: Ecology, Evolution, and by Jonathan Roughgarden PDF

By Jonathan Roughgarden

The Anolis lizards of the Caribbean are perfect for the learn of evolutionary ecology. supplying attention-grabbing insights into the greater than one hundred fifty species dispersed during the Caribbean islands, Jonathan Roughgarden info the variations among species in quite a lot of behavioral and actual features, together with foraging behaviors, physique dimension, and habitat use, due to evolutionary divergences concurrent with the plate-tectonic origins of the quarter. This publication may be of curiosity to scholars and researchers--ecology and theoretical, tropical, and inhabitants biology.

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Extra resources for Anolis Lizards of the Caribbean: Ecology, Evolution, and Plate Tectonics (Oxford Series in Ecology and Evolution)

Example text

Think established that this insect was 8 meters away, and produced two functions, one known to the computer at machine address #x6cc22 and the other at machine address #x6cc20 (Scheme's notation for hexadecimal). These are the executable functions that correspond to pursuing or ignoring the particular item being considered in this episode. Then decide concluded that the first of these functions, the one to pursue the prey, should be carried out. It decided this simply because the lizard is assumed to pursue the first prey it ever sees.

Perhaps territorial squabbles with neighbors squeeze each lizard's territory into a smaller area than predicted by theory for a solitary animal. So far, our theoretical lizard is smart, a bit too fat, and lonely. One approach would be to include social interaction in the model. Alternatively, the power of a model for a solitary animal has not yet been exhausted. The prey in the model so far are assumed to remain stationary at the coordinates where they were originally sighted. Clearly, some kinds of insects have ample time to escape if a lizard is trying to run them down over a distance of 3 to 4 meters.

9 also shows an upper limit to the body size that depends on insect characteristics. Note where the yield curves cross the horizontal axis. 9 are not, of course, the evolutionary optimum body sizes. But as seen later, these predictions offer a starting place. To formulate an hypothesis for the evolutionary optimum body size, growth, fecundity, and mortality throughout a lizard's life also have to be taken into account. That task is hereby placed on the agenda for later in this chapter. 9 come from optimal foraging theory and, as such, are static.

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