Blue guppies tend to have differently colored bodies, particularly in front. They may be silvery, green, or a variety of other colors that complement their flashy, stark blue tail fins.
After maintaining your simulation pool for only one year, you find a significant decline in the number of moderately colored guppies. The brightest males and drabbest males are still faring pretty ...
In the first simulation, you've stocked your pool with about one hundred guppies, all of which are very drab in coloration at the beginning of the test. In the same pool you've placed about 30 ...