Answer Happy

These data are from experiments performed by pairing fish of two possible ecotypes from either the same lake, or from two different lakes 0.6- 0.5- Samo lako Different lakes 0.4 Probability of spawning 0.3 0.24 0.1- Limnetic Limnetic x Benthic Limnetic Benthic Benthic What evolutionary forces) is/are responsible for the difference between crosses that pair two fish of the same ecotype (for example, benthic x benthic versus crosses that pair two different ecotypes? disruptive selection on body size, because intermediate sizes are not effective predators O both of the above answers O selection for size-assortive mating to avoid production of Intermediate sted hybrid offspring Openetic driftiradually changing appearance between from different likes O sexual selection deven by receiver basin female fish formal display traits