A biologist discovers two populations of wolf spiders whose members appear identical. Members of one population are found in the leaf litter deep within a woods. Members of the other population are found in the grass at the edge of the woods. The biologist decides to designate the members of the two populations as two separate species. Which species concept is this biologist most closely utilizing?
A) ecological
B) biological
C) morphological
D) paleontological
E) phylogenetic
Ans: A) ecological
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_________________ Indicate whether the statement is true or false.