Question
Biology Question on evolution
Occurrence of endemic species in South America and Australia is due to
A
extinction of these species from other regions
B
continental separation
C
absence of terrestrial route to these places
D
retrogressive evolution
Answer
continental separation
Explanation
Solution
Seas form the barriers to free intercontinental movement and separates the continents, causing evolution and endemism. Endemic species are those species which are in a restricted area.