evolution of Galapagos Island finches?
March 27th, 2009
tootssss asked: On the archipelago of the Galapagos Islands, which most geologists believe to be of volcanic origin without ever having had any land connection with the west coast of South America, Darwin discovered a small group of finches. These birds have since been classified into more than a dozen species. These birds have differences, [...]
how do i translating Darwin’s English into English?
March 15th, 2009
ishan k asked: I’m reading Darwin’s Journal (Cahpter XVII: Galapoagos Archipelago), and he’s describing the wildlife there. Here is the problem:
“Mauritius offers an apparent exception, where i saw the Rana Mascariensis in abundance: this frog is said now to inhabit the Seychelles, Madagascar, and Bourbon; but on the other hand, Du Bois, in [...]
Allometric growth. 10 pts?
March 14th, 2009
BioSucks-o asked: a)results in paedomorphosis
b) results in an evolutionary trend of increasing body size
c) results from differences in the locations of expression of Hox genes and thus the placement of body parts
d) is usually associated with polyploidy in plants
e) is the relative differences in growth rates of different body parts
There are 28 morphologically diverse species [...]