Vitamin k, one of the fat-soluble vitamins, plays a role in both bone health and blood clotting. there are two primary forms of the vitamin: phylloquinones and menaquinones. choose the correct statement about vitamin k. a. menaquinones are the primary form of vitamin k in the diet. b. vitamin k deficiency inhibits the blood’s ability to clot. c. excessive use of broad-spectrum antibiotics may cause vitamin k toxicity. d. the major source of vitamin k in our diets is from fortified grains.

Sea levels are rising due to climate change while increasing numbers of people are moving into coastal areas. to accommodate more people, there has been increased construction of beachfront resorts and condominiums. how is this impacting sea turtle numbers and biodiversity and why? a. the increased human population in coastal areas has meant that more food is available to the turtles (e.g., dropped food, waste from restaurants), which has led to an increase in the numbers and diversity of sea turtles. b. there has been very little change in the numbers and biodiversity of sea turtles because the planet is so vast that they can simply relocate to less crowded beaches. c. this has resulted in a decrease in numbers and diversity of sea turtles because it is restricting available nesting sites, and hence reproduction. d. this has resulted in an increase in numbers and diversity of sea turtles because people are around to protect them from natural predators.

What must be true for natural selection to heppen

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