UPSC Civil Services Prelims 2014
Question 23 of 53Geography
Which of the following phenomena might have influenced the evolution of organisms? 1. Continental drift 2. Glacial cycles Select the correct answer using the code given below.
A1 only
B2 only
CBoth 1 and 2
DNeither 1 nor 2
Correct Answer
The correct answer is hidden
Explanation
20 words hidden ... shaping speciation and biogeographic isolation. Glacial cycles altered climate, habitat extent, and migration routes, ... 21 words hidden