Biologists sometimes combine two groups previously considered different species into the same species because __________.

0 votes
    the two species have evolved to lose postmating reproductive isolating mechanisms
    they may be physically divergent, but they are found to interbreed in nature
    the two species have evolved to be more physically similar
    the two species have expanded their ranges and now encounter each other
    the two species have evolved to lose premating reproductive isolating mechanisms

asked May 30, 2013 in Biology by anonymous
    

1 Answer

0 votes
they may be physically divergent, but they are found to interbreed in nature
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)

Related questions

0 votes
1 answer 209 views



...