Purple loosestrife, lythrum salicaria, is a beautiful, long-stemmed wetlands species brought to the united states from europe as an ornamental plant. in the united states, it has no predators and crowds out cattails, typha latifolia, another wetlands plant that's a valuable resource for many species. purple loosestrife is an example of

Describe how alleles and genes are related

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .

What tool do geneticists use to predict the outcome of genetic crosses? a.karyotype b.punnett square c.centrifuge