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).
A low level of DHEAS may be due to adrenal insufficiency, adrenal dysfunction, Addison disease, or hypopituitarism, a condition that causes low levels of the pituitary hormones that regulate the production and secretion of adrenal hormones. ^ Back to top.HEAS levels may be ordered with other hormones to investigate and diagnose the cause of the development of masculine physical characteristics (virilization) in young girls and early (precocious) puberty in young boys.