4. Number the organisms from 1 (most abundant) to 8 (least abundant) __5__ Mammals __2_ Molluscs _4_ Roundworms __1_ Arthropods __3_ Flatworms. 5. What is biodiversity (click on the purple links for definitions): ____ The many different types of organisms that exist.
Factors that Decrease BUN. 1  Low-protein diet, malnutrition or starvation (R). 2  Impaired liver activity due to liver disease (R). 3  Genetic deficiency of urea cycle enzymes (R). 4  Higher IGF-1 and growth hormone. 5  Anabolic steroids, which decreases protein breakdown. 6  Overhydration, or drinking a lot of water. 7  Pregnancy (due to increased plasma volume) (R).
Iron deficiency anemia is caused by low levels of iron in the body. You might have low iron levels because you: Have heavy menstrual bleeding. Are not getting enough iron in food. This can happen in people who need a lot of iron, such as small children, teens, and pregnant women. Have bleeding inside your body. This bleeding may be caused by problems such as ulcers, hemorrhoids, or cancer. This bleeding can also happen with regular aspirin use. Bleeding inside the body is the most common cause of iron deficiency anemia in men and in women after menopause.