Evolution Question 71
71. Occurrence of endemic species in South America and Australia is due to
[2001]
(a) These species have been extinct from other regions
(b) Continental separation
(c) There is no terrestial route to these places
(d) Retrogressive evolution
Show Answer
Answer : b
Hints & Solution
(b) These areas are geographically isolated from other continents by the oceanic barrier which has prevented uniform distribution of fauna.
