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

Dna is colied into chromosomes in a cell

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla